
| 2024 | 0.35 | 0.58 | 96.46 | 61.4% |
| 2023 | 0.34 | 0.58 | 98.12 | 59% |
| 2022 | 0.35 | 0.59 | 99.65 | 60.3% |
| 2021 | 0.35 | 0.61 | 104 | 57.5% |
| 2020 | 0.34 | 0.57 | 97.09 | 59.8% |
| 2019 | 0.46 | 0.64 | 110.4 | 72.3% |
| 2018 | 0.52 | 0.65 | 112.8 | 79.5% |
| 2017 | 0.59 | 0.65 | 112.3 | 91.5% |
| 2016 | 0.57 | 0.66 | 114.8 | 86.5% |
| 2015 | 0.6 | 0.64 | 112.1 | 94.6% |
| 2014 | 0.62 | 0.65 | 115.3 | 95.2% |
| 2013 | 0.64 | 0.69 | 122.6 | 92.9% |
| 2012 | 0.73 | 0.68 | 122.1 | 107.4% |
| 2011 | 0.81 | 0.72 | 129.9 | 111.3% |
| 2010 | 0.91 | 0.78 | 139.7 | 117.9% |
| 2009 | 0.94 | 0.74 | 134.6 | 126% |
| 2008 | 1.06 | 0.79 | 144.1 | 133.9% |
| 2007 | 1.09 | 0.82 | 150.5 | 132.3% |
| 2006 | 1.2 | 0.85 | 156.7 | 140.4% |
| 2005 | 1.28 | 0.79 | 146.4 | 161.7% |
| 2004 | 1.3 | 0.81 | 150.5 | 159.4% |
| 2003 | 1.15 | 0.85 | 156.9 | 135.5% |
| 2002 | 1.15 | 0.81 | 151.1 | 141.2% |
| 2001 | 1.09 | 0.85 | 158.1 | 129% |
| 2000 | 1.12 | 0.84 | 156.7 | 133.4% |
| 1999 | 0.96 | 0.87 | 162.8 | 110.9% |
| 1998 | 0.82 | 0.88 | 166.8 | 92.6% |
| 1997 | 0.8 | 0.91 | 172.7 | 88% |
| 1996 | 0.7 | 0.97 | 184.4 | 72.1% |
| 1995 | 0.61 | 0.87 | 167.1 | 69.4% |
| 1994 | 0.59 | 0.87 | 166.2 | 67.8% |
| 1993 | 0.54 | 0.82 | 157.5 | 65.5% |
| 1992 | 0.49 | 0.78 | 150.6 | 63.5% |
| 1991 | 0.45 | 0.81 | 157.6 | 56% |
| 1990 | 0.38 | 0.74 | 144.8 | 50.9% |
| 1989 | 0.35 | 0.73 | 142.7 | 47.9% |
| 1988 | 0.3 | 0.78 | 152.1 | 38.9% |
| 1987 | 0.29 | 0.8 | 155.9 | 36.8% |
| 1986 | 0.23 | 0.79 | 155.1 | 29.5% |
| 1985 | 0.17 | 0.78 | 152.4 | 21.8% |
| 1984 | 0.11 | 0.7 | 137.9 | 15.3% |
| 1983 | 0.0019 | 0.7 | 136.1 | 0.27% |
| 1982 | 0.00016 | 0.73 | 141.9 | 0.02% |
| 1981 | 0.00014 | 0.73 | 141.7 | 0.02% |
| 1980 | 0.00014 | 0.86 | 167.1 | 0.02% |