
| 2024 | 0.98 | 1.49 | 140.3 | 66.1% |
| 2023 | 0.95 | 1.49 | 141.3 | 63.9% |
| 2022 | 1.02 | 1.57 | 149.4 | 65% |
| 2021 | 1 | 1.62 | 156 | 61.5% |
| 2020 | 0.94 | 1.53 | 147.9 | 61.6% |
| 2019 | 1.09 | 1.75 | 170.1 | 62.1% |
| 2018 | 1.07 | 1.75 | 172 | 61.2% |
| 2017 | 1.05 | 1.79 | 178.2 | 58.7% |
| 2016 | 1 | 1.75 | 176.4 | 57.3% |
| 2015 | 0.98 | 1.66 | 169.6 | 58.9% |
| 2014 | 1 | 1.71 | 175.9 | 58.8% |
| 2013 | 1.01 | 1.75 | 182 | 57.9% |
| 2012 | 1.05 | 1.76 | 185.1 | 59.7% |
| 2011 | 0.97 | 1.77 | 187 | 54.9% |
| 2010 | 0.94 | 1.84 | 196.4 | 51.2% |
| 2009 | 0.87 | 1.69 | 181.8 | 51.5% |
| 2008 | 0.98 | 1.85 | 200.9 | 52.7% |
| 2007 | 0.99 | 1.91 | 208.5 | 51.7% |
| 2006 | 0.96 | 1.92 | 211.9 | 50% |
| 2005 | 1.04 | 1.93 | 214.1 | 53.6% |
| 2004 | 1.05 | 1.99 | 221.2 | 52.6% |
| 2003 | 0.88 | 1.87 | 209.1 | 46.9% |
| 2002 | 0.93 | 1.89 | 212.1 | 48.9% |
| 2001 | 1 | 1.92 | 216.3 | 52% |
| 2000 | 0.86 | 1.8 | 202.3 | 47.9% |
| 1999 | 0.97 | 1.93 | 218.3 | 50.4% |
| 1998 | 0.99 | 1.95 | 220.8 | 50.7% |
| 1997 | 0.93 | 1.91 | 216 | 48.8% |
| 1996 | 0.91 | 1.98 | 223.5 | 46% |
| 1995 | 0.93 | 1.9 | 214.9 | 48.8% |
| 1994 | 0.92 | 1.91 | 217.7 | 48.4% |
| 1993 | 0.86 | 1.78 | 204.2 | 48.5% |
| 1992 | 0.88 | 1.8 | 208.2 | 48.9% |
| 1991 | 0.97 | 1.82 | 211.6 | 53.2% |
| 1990 | 0.91 | 1.76 | 205.5 | 52% |
| 1989 | 0.89 | 1.75 | 205.5 | 51.2% |
| 1988 | 0.91 | 1.78 | 211.2 | 51.2% |
| 1987 | 0.91 | 1.81 | 215.2 | 50.2% |
| 1986 | 0.9 | 1.82 | 217.4 | 49.2% |
| 1985 | 0.82 | 1.72 | 206.1 | 47.4% |
| 1984 | 0.74 | 1.6 | 192.3 | 46% |
| 1983 | 0.62 | 1.55 | 185.8 | 40.3% |
| 1982 | 0.57 | 1.55 | 186.4 | 36.7% |
| 1981 | 0.57 | 1.68 | 201.4 | 34.2% |
| 1980 | 0.47 | 1.72 | 207.5 | 27.1% |