| year | region | |
|---|---|---|
| 2005 | 5.65 | |
| 2006 | 6.29 | |
| 2005 | 4.86 | |
| 2006 | 4.93 | |
| 2005 | 4.41 | |
| 2006 | 3.98 | |
| 2005 | 4.27 | |
| 2006 | 4.14 | |
| 2005 | 4.06 | |
| 2006 | 4.16 | |
| 2005 | 3.8 | |
| 2006 | 3.68 | |
| 2005 | 3.75 | |
| 2006 | 3.46 | |
| 2005 | 3.63 | |
| 2006 | 3.5 | |
| 2005 | 3.62 | |
| 2006 | 3.28 | |
| 2005 | 3.58 | |
| 2006 | 3.62 | |
| 2005 | 3.55 | |
| 2006 | 3.52 | |
| 2005 | 3.51 | |
| 2006 | 3.03 | |
| 2005 | 3.45 | |
| 2006 | 3.49 | |
| 2005 | 3.43 | |
| 2006 | 3.47 | |
| 2005 | 3.39 | |
| 2006 | 3.37 | |
| 2005 | 3.38 | |
| 2006 | 3.35 | |
| 2005 | 3.35 | |
| 2006 | 3.19 | |
| 2005 | 3.33 | |
| 2006 | 3.36 | |
| 2005 | 3.32 | |
| 2006 | 3.06 | |
| 2005 | 3.32 | |
| 2006 | 2.94 | |
| 2005 | 3.3 | |
| 2006 | 3.19 | |
| 2005 | 3.29 | |
| 2006 | 3.12 | |
| 2005 | 3.28 | |
| 2006 | 3.05 | |
| 2005 | 3.27 | |
| 2006 | 3.3 | |
| 2005 | 3.26 | |
| 2006 | 3.06 | |
| 2005 | 3.25 | |
| 2006 | 3.12 | |
| 2005 | 3.18 | |
| 2006 | 3.2 | |
| 2005 | 3.15 | |
| 2006 | 2.99 | |
| 2005 | 3.12 | |
| 2006 | 3.17 | |
| 2005 | 3.11 | |
| 2006 | 3.15 | |
| 2005 | 3.1 | |
| 2006 | 3.27 | |
| 2005 | 3.08 | |
| 2006 | 2.94 | |
| 2005 | 3.07 | |
| 2006 | 3.17 | |
| 2005 | 3.03 | |
| 2006 | 3.17 | |
| 2005 | 3.02 | |
| 2006 | 3.39 | |
| 2005 | 3.01 | |
| 2006 | 3.08 | |
| 2005 | 3.01 | |
| 2006 | 2.94 | |
| 2005 | 3.01 | |
| 2006 | 3.08 | |
| 2005 | 2.97 | |
| 2006 | 3.06 | |
| 2005 | 2.96 | |
| 2006 | 3.11 | |
| 2005 | 2.95 | |
| 2006 | 2.95 | |
| 2005 | 2.94 | |
| 2006 | 3.5 | |
| 2005 | 2.93 | |
| 2006 | 3.04 | |
| 2005 | 2.93 | |
| 2006 | 2.8 | |
| 2005 | 2.91 | |
| 2006 | 3.23 | |
| 2005 | 2.89 | |
| 2006 | 2.9 | |
| 2005 | 2.89 | |
| 2006 | 2.82 | |
| 2005 | 2.89 | |
| 2006 | 2.81 | |
| 2005 | 2.86 | |
| 2006 | 2.72 | |
| 2005 | 2.84 | |
| 2006 | 2.64 | |
| 2005 | 2.82 | |
| 2006 | 2.83 | |
| 2005 | 2.82 | |
| 2006 | 2.66 | |
| 2005 | 2.81 | |
| 2006 | 3.03 | |
| 2005 | 2.81 | |
| 2006 | 2.55 | |
| 2005 | 2.8 | |
| 2006 | 2.85 | |
| 2005 | 2.8 | |
| 2006 | 2.7 | |
| 2005 | 2.79 | |
| 2006 | 2.81 | |
| 2005 | 2.78 | |
| 2006 | 2.91 | |
| 2005 | 2.77 | |
| 2006 | 2.57 | |
| 2005 | 2.76 | |
| 2006 | 3.02 | |
| 2005 | 2.68 | |
| 2006 | 2.44 | |
| 2005 | 2.64 | |
| 2006 | 2.63 | |
| 2005 | 2.64 | |
| 2006 | 2.94 | |
| 2005 | 2.63 | |
| 2006 | 2.67 | |
| 2005 | 2.6 | |
| 2006 | 2.67 | |
| 2005 | 2.6 | |
| 2006 | 2.61 | |
| 2005 | 2.58 | |
| 2006 | 2.52 | |
| 2005 | 2.57 | |
| 2006 | 2.7 | |
| 2005 | 2.57 | |
| 2006 | 2.48 | |
| 2005 | 2.56 | |
| 2006 | 2.68 | |
| 2005 | 2.56 | |
| 2006 | 2.61 | |
| 2005 | 2.56 | |
| 2006 | 2.38 | |
| 2005 | 2.54 | |
| 2006 | 2.57 | |
| 2005 | 2.47 | |
| 2006 | 2.65 | |
| 2005 | 2.46 | |
| 2006 | 2.64 | |
| 2005 | 2.45 | |
| 2006 | 2.44 | |
| 2005 | 2.4 | |
| 2006 | 2.5 | |
| 2005 | 2.36 | |
| 2006 | 2.51 | |
| 2005 | 2.32 | |
| 2006 | 2.26 | |
| 2005 | 2.29 | |
| 2006 | 2.24 | |
| 2005 | 2.27 | |
| 2006 | 2.26 | |
| 2005 | 2.27 | |
| 2006 | 2.39 | |
| 2005 | 2.26 | |
| 2006 | 2.11 | |
| 2005 | 2.2 | |
| 2006 | 2.44 | |
| 2005 | 2.13 | |
| 2006 | 2.13 | |
| 2005 | 2.1 | |
| 2006 | 2.67 | |
| 2005 | 2.08 | |
| 2006 | 2.11 | |
| 2005 | 1.96 | |
| 2006 | 1.5 |