
| 2024 | 130.8 | 170.6 | 120.2 | 76.7% |
| 2023 | 127 | 162.7 | 114.4 | 78.1% |
| 2022 | 124.1 | 153.4 | 107.6 | 80.9% |
| 2021 | 122.8 | 153.3 | 107.5 | 80.1% |
| 2020 | 117.2 | 145.8 | 102.2 | 80.4% |
| 2019 | 114.9 | 143.9 | 101.1 | 79.8% |
| 2018 | 108.2 | 136.4 | 96.15 | 79.3% |
| 2017 | 101.4 | 131.1 | 92.86 | 77.3% |
| 2016 | 100 | 129.7 | 92.41 | 77.1% |
| 2015 | 106.9 | 129.5 | 92.75 | 82.6% |
| 2014 | 107.9 | 130.4 | 93.96 | 82.7% |
| 2013 | 107.4 | 129.4 | 93.85 | 83% |
| 2012 | 105.7 | 125.5 | 91.62 | 84.2% |
| 2011 | 100.7 | 117.9 | 86.7 | 85.4% |
| 2010 | 92.71 | 107.5 | 79.56 | 86.2% |
| 2009 | 83.76 | 96.53 | 71.9 | 86.8% |
| 2008 | 78.53 | 89.15 | 66.84 | 88.1% |
| 2007 | 74.33 | 85.83 | 64.73 | 86.6% |
| 2006 | 69.29 | 79.72 | 60.49 | 86.9% |
| 2005 | 64.17 | 72.11 | 55.05 | 89% |
| 2004 | 57.98 | 64.3 | 49.38 | 90.2% |
| 2003 | 50.76 | 53.35 | 41.22 | 95.1% |
| 2002 | 44.18 | 45.78 | 35.57 | 96.5% |
| 2001 | 42.08 | 42.66 | 33.36 | 98.6% |
| 2000 | 39.78 | 40.97 | 32.27 | 97.1% |
| 1999 | 37.4 | 38.48 | 30.54 | 97.2% |
| 1998 | 37.74 | 37.05 | 29.62 | 101.9% |
| 1997 | 38.14 | 36.09 | 29.08 | 105.7% |
| 1996 | 38.76 | 38.05 | 30.91 | 101.9% |
| 1995 | 36.7 | 36.22 | 29.68 | 101.3% |
| 1994 | 35.04 | 33.67 | 27.85 | 104.1% |
| 1993 | 33.07 | 31.35 | 26.18 | 105.5% |
| 1992 | 31.99 | 29.17 | 24.63 | 109.7% |
| 1991 | 31.17 | 27.85 | 23.79 | 111.9% |
| 1990 | 30.99 | 27.5 | 23.84 | 112.7% |
| 1989 | 30.39 | 27.5 | 24.25 | 110.5% |
| 1988 | 28.65 | 27.42 | 24.59 | 104.5% |
| 1987 | 27.35 | 25.68 | 23.43 | 106.5% |
| 1986 | 26.41 | 24.37 | 22.62 | 108.4% |
| 1985 | 25.64 | 23.72 | 22.38 | 108.1% |
| 1984 | 23.31 | 22.45 | 21.51 | 103.8% |
| 1983 | 16.7 | 20.68 | 20.09 | 80.8% |
| 1982 | 15.53 | 19.42 | 19.16 | 80% |
| 1981 | 14.58 | 18.51 | 18.55 | 78.8% |
| 1980 | 14.59 | 18.71 | 19.03 | 78% |