
| 2024 | 20.21 | 11.38 | 40.13 | 177.7% |
| 2023 | 19.66 | 10.83 | 38.52 | 181.5% |
| 2022 | 18.09 | 9.98 | 35.8 | 181.2% |
| 2021 | 16.8 | 7.98 | 28.83 | 210.6% |
| 2020 | 15.86 | 7.42 | 27 | 213.7% |
| 2019 | 16.86 | 7.86 | 28.85 | 214.4% |
| 2018 | 15.88 | 7.6 | 28.14 | 209% |
| 2017 | 13.97 | 7.01 | 26.23 | 199.2% |
| 2016 | 14.08 | 6.73 | 25.44 | 209.1% |
| 2015 | 14.16 | 6.86 | 26.19 | 206.5% |
| 2014 | 14.17 | 6.83 | 26.4 | 207.3% |
| 2013 | 14.48 | 6.59 | 25.77 | 219.7% |
| 2012 | 12.71 | 6.5 | 25.71 | 195.6% |
| 2011 | 12.22 | 6.13 | 24.58 | 199.3% |
| 2010 | 12.69 | 5.85 | 23.77 | 216.8% |
| 2009 | 11.05 | 5.53 | 22.72 | 199.9% |
| 2008 | 10.72 | 5.27 | 21.95 | 203.3% |
| 2007 | 10.19 | 5.04 | 21.28 | 202.1% |
| 2006 | 9.31 | 4.62 | 19.77 | 201.4% |
| 2005 | 8.28 | 4.46 | 19.33 | 185.5% |
| 2004 | 7.81 | 4.28 | 18.78 | 182.4% |
| 2003 | 7.56 | 4.1 | 18.24 | 184.2% |
| 2002 | 7.25 | 3.98 | 17.94 | 181.9% |
| 2001 | 7.06 | 3.86 | 17.63 | 182.9% |
| 2000 | 7.2 | 4.05 | 18.75 | 177.7% |
| 1999 | 7.64 | 3.72 | 17.46 | 205.4% |
| 1998 | 7.2 | 3.34 | 15.93 | 215.4% |
| 1997 | 7.14 | 3.53 | 17.1 | 202.2% |
| 1996 | 7.08 | 3.32 | 16.34 | 213.1% |
| 1995 | 6.69 | 3.07 | 15.37 | 217.9% |
| 1994 | 6.46 | 2.92 | 14.87 | 221% |
| 1993 | 5.98 | 2.76 | 14.26 | 216.9% |
| 1992 | 5.75 | 2.59 | 13.62 | 222.2% |
| 1991 | 5.69 | 2.52 | 13.47 | 226% |
| 1990 | 5.1 | 2.26 | 12.29 | 226.1% |
| 1989 | 4.76 | 2.04 | 11.33 | 233.4% |
| 1988 | 4.44 | 1.82 | 10.31 | 243.5% |
| 1987 | 4.38 | 1.69 | 9.74 | 259% |
| 1986 | 4.3 | 1.6 | 9.43 | 268% |
| 1985 | 4.07 | 1.52 | 9.11 | 268.1% |
| 1984 | 4.3 | 1.43 | 8.76 | 300.5% |
| 1983 | 0.87 | 1.35 | 8.44 | 64.6% |
| 1982 | 0.76 | 1.28 | 8.17 | 59.9% |
| 1981 | 0.75 | 1.24 | 8.12 | 60.9% |
| 1980 | 0.74 | 1.14 | 7.66 | 64.7% |