| year | region | |
|---|---|---|
| 1987 | 5 | |
| 1988 | 7 | |
| 1989 | 9 | |
| 1990 | 15 | |
| 1991 | 19 | |
| 1992 | 19 | |
| 1993 | 24 | |
| 1994 | 25 | |
| 1995 | 28 | |
| 1996 | 29 | |
| 1997 | 30 | |
| 1998 | 33 | |
| 1999 | 35 | |
| 2000 | 37 | |
| 2001 | 42 | |
| 2002 | 45 | |
| 2003 | 49 | |
| 2004 | 53 | |
| 2005 | 57 | |
| 2006 | 60 | |
| 2007 | 64 | |
| 2008 | 66 | |
| 2009 | 71 | |
| 2010 | 76 | |
| 2011 | 81 | |
| 1987 | 0 | |
| 1988 | 3 | |
| 1989 | 3 | |
| 1990 | 6 | |
| 1991 | 8 | |
| 1992 | 14 | |
| 1993 | 17 | |
| 1994 | 20 | |
| 1995 | 27 | |
| 1996 | 30 | |
| 1997 | 34 | |
| 1998 | 38 | |
| 1999 | 42 | |
| 2000 | 44 | |
| 2001 | 48 | |
| 2002 | 51 | |
| 2003 | 56 | |
| 2004 | 61 | |
| 2005 | 64 | |
| 2006 | 70 | |
| 2007 | 75 | |
| 2008 | 79 | |
| 2009 | 83 | |
| 2010 | 87 | |
| 2011 | 91 | |
| 1987 | 5 | |
| 1988 | 7 | |
| 1989 | 9 | |
| 1990 | 15 | |
| 1991 | 19 | |
| 1992 | 19 | |
| 1993 | 24 | |
| 1994 | 25 | |
| 1995 | 28 | |
| 1996 | 29 | |
| 1997 | 30 | |
| 1998 | 33 | |
| 1999 | 35 | |
| 2000 | 37 | |
| 2001 | 42 | |
| 2002 | 45 | |
| 2003 | 49 | |
| 2004 | 53 | |
| 2005 | 57 | |
| 2006 | 60 | |
| 2007 | 64 | |
| 2008 | 66 | |
| 2009 | 71 | |
| 2010 | 76 | |
| 2011 | 81 | |
| 1987 | 0 | |
| 1988 | 3 | |
| 1989 | 3 | |
| 1990 | 6 | |
| 1991 | 8 | |
| 1992 | 14 | |
| 1993 | 17 | |
| 1994 | 20 | |
| 1995 | 27 | |
| 1996 | 30 | |
| 1997 | 34 | |
| 1998 | 38 | |
| 1999 | 42 | |
| 2000 | 44 | |
| 2001 | 48 | |
| 2002 | 51 | |
| 2003 | 56 | |
| 2004 | 61 | |
| 2005 | 64 | |
| 2006 | 70 | |
| 2007 | 75 | |
| 2008 | 79 | |
| 2009 | 83 | |
| 2010 | 87 | |
| 2011 | 91 | |
| 1987 | 2 | |
| 1988 | 2 | |
| 1989 | 3 | |
| 1990 | 3 | |
| 1991 | 3 | |
| 1992 | 3 | |
| 1993 | 3 | |
| 1994 | 3 | |
| 1995 | 3 | |
| 1996 | 3 | |
| 1997 | 3 | |
| 1998 | 3 | |
| 1999 | 3 | |
| 2000 | 3 | |
| 2001 | 5 | |
| 2002 | 5 | |
| 2003 | 5 | |
| 2004 | 5 | |
| 2005 | 6 | |
| 2006 | 8 | |
| 2007 | 10 | |
| 2008 | 11 | |
| 2009 | 11 | |
| 2010 | 11 | |
| 2011 | 13 | |
| 1987 | 0 | |
| 1988 | 3 | |
| 1989 | 3 | |
| 1990 | 3 | |
| 1991 | 3 | |
| 1992 | 3 | |
| 1993 | 3 | |
| 1994 | 3 | |
| 1995 | 3 | |
| 1996 | 3 | |
| 1997 | 3 | |
| 1998 | 3 | |
| 1999 | 3 | |
| 2000 | 3 | |
| 2001 | 3 | |
| 2002 | 3 | |
| 2003 | 3 | |
| 2004 | 4 | |
| 2005 | 4 | |
| 2006 | 4 | |
| 2007 | 4 | |
| 2008 | 4 | |
| 2009 | 4 | |
| 2010 | 4 | |
| 2011 | 4 | |
| 1987 | 0 | |
| 1988 | 2 | |
| 1989 | 2 | |
| 1990 | 2 | |
| 1991 | 2 | |
| 1992 | 2 | |
| 1993 | 2 | |
| 1994 | 2 | |
| 1995 | 2 | |
| 1996 | 3 | |
| 1997 | 4 | |
| 1998 | 4 | |
| 1999 | 6 | |
| 2000 | 6 | |
| 2001 | 6 | |
| 2002 | 6 | |
| 2003 | 6 | |
| 2004 | 7 | |
| 2005 | 8 | |
| 2006 | 8 | |
| 2007 | 8 | |
| 2008 | 9 | |
| 2009 | 10 | |
| 2010 | 11 | |
| 2011 | 11 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 1 | |
| 1991 | 1 | |
| 1992 | 2 | |
| 1993 | 2 | |
| 1994 | 4 | |
| 1995 | 4 | |
| 1996 | 4 | |
| 1997 | 5 | |
| 1998 | 5 | |
| 1999 | 5 | |
| 2000 | 5 | |
| 2001 | 5 | |
| 2002 | 5 | |
| 2003 | 5 | |
| 2004 | 5 | |
| 2005 | 5 | |
| 2006 | 6 | |
| 2007 | 6 | |
| 2008 | 6 | |
| 2009 | 7 | |
| 2010 | 7 | |
| 2011 | 7 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 1 | |
| 1992 | 1 | |
| 1993 | 1 | |
| 1994 | 1 | |
| 1995 | 1 | |
| 1996 | 2 | |
| 1997 | 2 | |
| 1998 | 3 | |
| 1999 | 3 | |
| 2000 | 3 | |
| 2001 | 3 | |
| 2002 | 4 | |
| 2003 | 4 | |
| 2004 | 4 | |
| 2005 | 4 | |
| 2006 | 5 | |
| 2007 | 6 | |
| 2008 | 7 | |
| 2009 | 7 | |
| 2010 | 7 | |
| 2011 | 8 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 1 | |
| 1993 | 1 | |
| 1994 | 1 | |
| 1995 | 1 | |
| 1996 | 1 | |
| 1997 | 1 | |
| 1998 | 1 | |
| 1999 | 2 | |
| 2000 | 2 | |
| 2001 | 3 | |
| 2002 | 3 | |
| 2003 | 3 | |
| 2004 | 3 | |
| 2005 | 3 | |
| 2006 | 3 | |
| 2007 | 3 | |
| 2008 | 3 | |
| 2009 | 3 | |
| 2010 | 3 | |
| 2011 | 4 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 1 | |
| 1996 | 1 | |
| 1997 | 1 | |
| 1998 | 1 | |
| 1999 | 2 | |
| 2000 | 2 | |
| 2001 | 2 | |
| 2002 | 3 | |
| 2003 | 3 | |
| 2004 | 3 | |
| 2005 | 3 | |
| 2006 | 3 | |
| 2007 | 4 | |
| 2008 | 4 | |
| 2009 | 5 | |
| 2010 | 5 | |
| 2011 | 6 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 1 | |
| 1996 | 1 | |
| 1997 | 1 | |
| 1998 | 1 | |
| 1999 | 1 | |
| 2000 | 1 | |
| 2001 | 2 | |
| 2002 | 2 | |
| 2003 | 2 | |
| 2004 | 2 | |
| 2005 | 2 | |
| 2006 | 2 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 2 | |
| 2010 | 3 | |
| 2011 | 3 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 1 | |
| 1997 | 2 | |
| 1998 | 2 | |
| 1999 | 3 | |
| 2000 | 3 | |
| 2001 | 4 | |
| 2002 | 4 | |
| 2003 | 4 | |
| 2004 | 5 | |
| 2005 | 6 | |
| 2006 | 6 | |
| 2007 | 9 | |
| 2008 | 10 | |
| 2009 | 11 | |
| 2010 | 12 | |
| 2011 | 12 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 1 | |
| 1997 | 1 | |
| 1998 | 1 | |
| 1999 | 1 | |
| 2000 | 1 | |
| 2001 | 1 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 2 | |
| 2006 | 2 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 2 | |
| 2010 | 3 | |
| 2011 | 3 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 1 | |
| 1998 | 1 | |
| 1999 | 3 | |
| 2000 | 3 | |
| 2001 | 4 | |
| 2002 | 6 | |
| 2003 | 7 | |
| 2004 | 7 | |
| 2005 | 7 | |
| 2006 | 7 | |
| 2007 | 7 | |
| 2008 | 8 | |
| 2009 | 8 | |
| 2010 | 9 | |
| 2011 | 10 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 1 | |
| 1998 | 2 | |
| 1999 | 2 | |
| 2000 | 3 | |
| 2001 | 4 | |
| 2002 | 6 | |
| 2003 | 7 | |
| 2004 | 8 | |
| 2005 | 8 | |
| 2006 | 9 | |
| 2007 | 10 | |
| 2008 | 12 | |
| 2009 | 13 | |
| 2010 | 14 | |
| 2011 | 14 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 1 | |
| 1998 | 1 | |
| 1999 | 1 | |
| 2000 | 1 | |
| 2001 | 1 | |
| 2002 | 2 | |
| 2003 | 2 | |
| 2004 | 2 | |
| 2005 | 3 | |
| 2006 | 3 | |
| 2007 | 4 | |
| 2008 | 4 | |
| 2009 | 4 | |
| 2010 | 5 | |
| 2011 | 5 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 1 | |
| 1998 | 1 | |
| 1999 | 2 | |
| 2000 | 2 | |
| 2001 | 2 | |
| 2002 | 3 | |
| 2003 | 3 | |
| 2004 | 3 | |
| 2005 | 3 | |
| 2006 | 4 | |
| 2007 | 4 | |
| 2008 | 4 | |
| 2009 | 4 | |
| 2010 | 4 | |
| 2011 | 5 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 1 | |
| 1998 | 1 | |
| 1999 | 1 | |
| 2000 | 1 | |
| 2001 | 1 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 1 | |
| 2007 | 1 | |
| 2008 | 1 | |
| 2009 | 1 | |
| 2010 | 1 | |
| 2011 | 1 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 1 | |
| 1998 | 1 | |
| 1999 | 1 | |
| 2000 | 1 | |
| 2001 | 1 | |
| 2002 | 1 | |
| 2003 | 2 | |
| 2004 | 2 | |
| 2005 | 3 | |
| 2006 | 3 | |
| 2007 | 3 | |
| 2008 | 3 | |
| 2009 | 3 | |
| 2010 | 3 | |
| 2011 | 3 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 1 | |
| 1998 | 1 | |
| 1999 | 2 | |
| 2000 | 2 | |
| 2001 | 2 | |
| 2002 | 2 | |
| 2003 | 3 | |
| 2004 | 3 | |
| 2005 | 4 | |
| 2006 | 5 | |
| 2007 | 6 | |
| 2008 | 6 | |
| 2009 | 6 | |
| 2010 | 7 | |
| 2011 | 7 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 1 | |
| 1998 | 1 | |
| 1999 | 2 | |
| 2000 | 3 | |
| 2001 | 4 | |
| 2002 | 4 | |
| 2003 | 4 | |
| 2004 | 5 | |
| 2005 | 6 | |
| 2006 | 7 | |
| 2007 | 8 | |
| 2008 | 8 | |
| 2009 | 9 | |
| 2010 | 10 | |
| 2011 | 11 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 1 | |
| 1998 | 1 | |
| 1999 | 2 | |
| 2000 | 2 | |
| 2001 | 3 | |
| 2002 | 3 | |
| 2003 | 3 | |
| 2004 | 4 | |
| 2005 | 4 | |
| 2006 | 4 | |
| 2007 | 4 | |
| 2008 | 4 | |
| 2009 | 5 | |
| 2010 | 6 | |
| 2011 | 6 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 1 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 2 | |
| 2006 | 2 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 2 | |
| 2010 | 2 | |
| 2011 | 2 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 1 | |
| 2000 | 1 | |
| 2001 | 1 | |
| 2002 | 3 | |
| 2003 | 3 | |
| 2004 | 3 | |
| 2005 | 5 | |
| 2006 | 5 | |
| 2007 | 5 | |
| 2008 | 5 | |
| 2009 | 5 | |
| 2010 | 5 | |
| 2011 | 5 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 1 | |
| 2000 | 1 | |
| 2001 | 1 | |
| 2002 | 1 | |
| 2003 | 2 | |
| 2004 | 3 | |
| 2005 | 3 | |
| 2006 | 4 | |
| 2007 | 5 | |
| 2008 | 5 | |
| 2009 | 6 | |
| 2010 | 7 | |
| 2011 | 7 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 1 | |
| 1996 | 1 | |
| 1997 | 1 | |
| 1998 | 1 | |
| 1999 | 2 | |
| 2000 | 2 | |
| 2001 | 2 | |
| 2002 | 2 | |
| 2003 | 2 | |
| 2004 | 2 | |
| 2005 | 2 | |
| 2006 | 4 | |
| 2007 | 4 | |
| 2008 | 4 | |
| 2009 | 5 | |
| 2010 | 5 | |
| 2011 | 5 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 1 | |
| 2000 | 2 | |
| 2001 | 2 | |
| 2002 | 2 | |
| 2003 | 2 | |
| 2004 | 2 | |
| 2005 | 3 | |
| 2006 | 4 | |
| 2007 | 5 | |
| 2008 | 5 | |
| 2009 | 6 | |
| 2010 | 6 | |
| 2011 | 7 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 1 | |
| 2000 | 2 | |
| 2001 | 2 | |
| 2002 | 4 | |
| 2003 | 4 | |
| 2004 | 4 | |
| 2005 | 4 | |
| 2006 | 7 | |
| 2007 | 7 | |
| 2008 | 8 | |
| 2009 | 11 | |
| 2010 | 13 | |
| 2011 | 15 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 2 | |
| 2000 | 2 | |
| 2001 | 2 | |
| 2002 | 3 | |
| 2003 | 3 | |
| 2004 | 3 | |
| 2005 | 3 | |
| 2006 | 4 | |
| 2007 | 4 | |
| 2008 | 4 | |
| 2009 | 4 | |
| 2010 | 4 | |
| 2011 | 4 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 1 | |
| 2000 | 1 | |
| 2001 | 1 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 1 | |
| 2007 | 1 | |
| 2008 | 1 | |
| 2009 | 1 | |
| 2010 | 1 | |
| 2011 | 1 | |
| 1987 | 1 | |
| 1988 | 1 | |
| 1989 | 2 | |
| 1990 | 2 | |
| 1991 | 3 | |
| 1992 | 3 | |
| 1993 | 3 | |
| 1994 | 3 | |
| 1995 | 3 | |
| 1996 | 3 | |
| 1997 | 3 | |
| 1998 | 3 | |
| 1999 | 3 | |
| 2000 | 3 | |
| 2001 | 4 | |
| 2002 | 4 | |
| 2003 | 4 | |
| 2004 | 5 | |
| 2005 | 5 | |
| 2006 | 5 | |
| 2007 | 5 | |
| 2008 | 6 | |
| 2009 | 6 | |
| 2010 | 7 | |
| 2011 | 7 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 1 | |
| 2001 | 1 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 2 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 2 | |
| 2010 | 2 | |
| 2011 | 2 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 1 | |
| 2001 | 1 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 2 | |
| 2007 | 2 | |
| 2008 | 3 | |
| 2009 | 4 | |
| 2010 | 5 | |
| 2011 | 6 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 1 | |
| 2001 | 1 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 3 | |
| 2006 | 3 | |
| 2007 | 3 | |
| 2008 | 3 | |
| 2009 | 4 | |
| 2010 | 5 | |
| 2011 | 5 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 2 | |
| 2001 | 2 | |
| 2002 | 2 | |
| 2003 | 2 | |
| 2004 | 2 | |
| 2005 | 2 | |
| 2006 | 2 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 2 | |
| 2010 | 2 | |
| 2011 | 2 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 1 | |
| 2001 | 1 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 1 | |
| 2007 | 1 | |
| 2008 | 1 | |
| 2009 | 1 | |
| 2010 | 1 | |
| 2011 | 1 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 1 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 2 | |
| 2006 | 2 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 2 | |
| 2010 | 2 | |
| 2011 | 3 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 1 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 1 | |
| 2007 | 1 | |
| 2008 | 1 | |
| 2009 | 1 | |
| 2010 | 1 | |
| 2011 | 1 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 1 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 3 | |
| 2006 | 4 | |
| 2007 | 5 | |
| 2008 | 6 | |
| 2009 | 6 | |
| 2010 | 6 | |
| 2011 | 7 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 2 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 2 | |
| 2010 | 2 | |
| 2011 | 2 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 2 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 2 | |
| 2010 | 2 | |
| 2011 | 3 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 1 | |
| 2007 | 1 | |
| 2008 | 1 | |
| 2009 | 1 | |
| 2010 | 2 | |
| 2011 | 2 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 1 | |
| 2007 | 1 | |
| 2008 | 1 | |
| 2009 | 2 | |
| 2010 | 2 | |
| 2011 | 2 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 1 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 2 | |
| 2007 | 3 | |
| 2008 | 3 | |
| 2009 | 3 | |
| 2010 | 3 | |
| 2011 | 3 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 2 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 3 | |
| 2010 | 4 | |
| 2011 | 4 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 1 | |
| 2007 | 1 | |
| 2008 | 1 | |
| 2009 | 1 | |
| 2010 | 1 | |
| 2011 | 1 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 1 | |
| 2007 | 1 | |
| 2008 | 1 | |
| 2009 | 1 | |
| 2010 | 1 | |
| 2011 | 1 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 1 | |
| 2004 | 1 | |
| 2005 | 1 | |
| 2006 | 1 | |
| 2007 | 1 | |
| 2008 | 1 | |
| 2009 | 1 | |
| 2010 | 1 | |
| 2011 | 1 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 1 | |
| 2004 | 2 | |
| 2005 | 2 | |
| 2006 | 3 | |
| 2007 | 4 | |
| 2008 | 4 | |
| 2009 | 7 | |
| 2010 | 8 | |
| 2011 | 10 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 2 | |
| 2005 | 2 | |
| 2006 | 2 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 3 | |
| 2010 | 4 | |
| 2011 | 5 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 1 | |
| 2006 | 1 | |
| 2007 | 2 | |
| 2008 | 3 | |
| 2009 | 4 | |
| 2010 | 4 | |
| 2011 | 4 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 1 | |
| 2006 | 2 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 2 | |
| 2010 | 2 | |
| 2011 | 2 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 0 | |
| 2006 | 1 | |
| 2007 | 1 | |
| 2008 | 1 | |
| 2009 | 1 | |
| 2010 | 1 | |
| 2011 | 1 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 0 | |
| 2006 | 1 | |
| 2007 | 1 | |
| 2008 | 1 | |
| 2009 | 1 | |
| 2010 | 1 | |
| 2011 | 1 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 0 | |
| 2006 | 1 | |
| 2007 | 1 | |
| 2008 | 1 | |
| 2009 | 1 | |
| 2010 | 1 | |
| 2011 | 1 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 0 | |
| 2006 | 1 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 2 | |
| 2010 | 2 | |
| 2011 | 2 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 0 | |
| 2006 | 0 | |
| 2007 | 2 | |
| 2008 | 2 | |
| 2009 | 3 | |
| 2010 | 3 | |
| 2011 | 3 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 0 | |
| 2006 | 0 | |
| 2007 | 1 | |
| 2008 | 2 | |
| 2009 | 2 | |
| 2010 | 2 | |
| 2011 | 2 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 0 | |
| 2006 | 0 | |
| 2007 | 0 | |
| 2008 | 1 | |
| 2009 | 1 | |
| 2010 | 1 | |
| 2011 | 1 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 0 | |
| 2006 | 0 | |
| 2007 | 0 | |
| 2008 | 0 | |
| 2009 | 0 | |
| 2010 | 1 | |
| 2011 | 2 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 0 | |
| 2006 | 0 | |
| 2007 | 0 | |
| 2008 | 0 | |
| 2009 | 0 | |
| 2010 | 1 | |
| 2011 | 1 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 0 | |
| 2006 | 0 | |
| 2007 | 0 | |
| 2008 | 0 | |
| 2009 | 0 | |
| 2010 | 0 | |
| 2011 | 1 | |
| 1987 | 0 | |
| 1988 | 0 | |
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 0 | |
| 1996 | 0 | |
| 1997 | 0 | |
| 1998 | 0 | |
| 1999 | 0 | |
| 2000 | 0 | |
| 2001 | 0 | |
| 2002 | 0 | |
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 0 | |
| 2006 | 0 | |
| 2007 | 0 | |
| 2008 | 0 | |
| 2009 | 0 | |
| 2010 | 0 | |
| 2011 | 1 |