
| 2024 | 103.5 | 94.56 | 273.7 | 109.5% |
| 2023 | 102.7 | 93.72 | 272.9 | 109.6% |
| 2022 | 98.74 | 94.94 | 278 | 104% |
| 2021 | 93.93 | 93.36 | 274.5 | 100.6% |
| 2020 | 91.89 | 88.87 | 261.8 | 103.4% |
| 2019 | 97.6 | 96.6 | 286 | 101% |
| 2018 | 91.96 | 97.4 | 290.7 | 94.4% |
| 2017 | 84.41 | 93.89 | 282.6 | 89.9% |
| 2016 | 81.05 | 94.08 | 285.8 | 86.2% |
| 2015 | 85.35 | 94.48 | 289.7 | 90.3% |
| 2014 | 84.77 | 95.33 | 295 | 88.9% |
| 2013 | 78.98 | 94.25 | 294.4 | 83.8% |
| 2012 | 76.55 | 91.68 | 289.1 | 83.5% |
| 2011 | 75.2 | 93.97 | 299.2 | 80% |
| 2010 | 72.54 | 95.14 | 305.9 | 76.2% |
| 2009 | 70.28 | 91.63 | 297.5 | 76.7% |
| 2008 | 71.04 | 96.65 | 316.9 | 73.5% |
| 2007 | 69.41 | 98.97 | 327.9 | 70.1% |
| 2006 | 68.52 | 97.23 | 325.5 | 70.5% |
| 2005 | 67.38 | 98.1 | 331.7 | 68.7% |
| 2004 | 68.2 | 98.03 | 334.8 | 69.6% |
| 2003 | 67.86 | 95.81 | 330.5 | 70.8% |
| 2002 | 68.69 | 95.58 | 332.9 | 71.9% |
| 2001 | 70.03 | 94.42 | 332.1 | 74.2% |
| 2000 | 69.26 | 96.69 | 343.5 | 71.6% |
| 1999 | 69.37 | 94.23 | 338 | 73.6% |
| 1998 | 70.51 | 92.6 | 335.4 | 76.1% |
| 1997 | 69.87 | 91.96 | 336.3 | 76% |
| 1996 | 69.9 | 91.4 | 337.5 | 76.5% |
| 1995 | 68.87 | 88.67 | 330.6 | 77.7% |
| 1994 | 68.75 | 87.05 | 327.9 | 79% |
| 1993 | 66.2 | 85.19 | 324.4 | 77.7% |
| 1992 | 68.03 | 83.84 | 322.9 | 81.1% |
| 1991 | 68.15 | 82.21 | 320.6 | 82.9% |
| 1990 | 68.49 | 82.26 | 324.6 | 83.3% |
| 1989 | 67.26 | 82.71 | 330 | 81.3% |
| 1988 | 67.26 | 81.03 | 326.2 | 83% |
| 1987 | 65.66 | 77.16 | 313.5 | 85.1% |
| 1986 | 64.89 | 74.46 | 305.2 | 87.1% |
| 1985 | 65.6 | 74.27 | 307.3 | 88.3% |
| 1984 | 66.47 | 74.24 | 310.2 | 89.5% |
| 1983 | 61.64 | 70.49 | 297.4 | 87.4% |
| 1982 | 64.29 | 70.81 | 301.9 | 90.8% |
| 1981 | 65.01 | 74.16 | 319.4 | 87.7% |
| 1980 | 65.16 | 76.04 | 330.8 | 85.7% |