
| 2024 | 0.08 | 0.32 | 81.9 | 26.8% |
| 2023 | 0.09 | 0.32 | 81.24 | 29% |
| 2022 | 0.08 | 0.3 | 77.38 | 28% |
| 2021 | 0.09 | 0.31 | 78.62 | 29.3% |
| 2020 | 0.09 | 0.3 | 75.42 | 29.6% |
| 2019 | 0.1 | 0.32 | 80.95 | 30% |
| 2018 | 0.11 | 0.31 | 78.11 | 34.7% |
| 2017 | 0.09 | 0.31 | 75.96 | 30.3% |
| 2016 | 0.1 | 0.3 | 72.09 | 34.7% |
| 2015 | 0.1 | 0.29 | 70.02 | 35.8% |
| 2014 | 0.12 | 0.29 | 68.29 | 40.2% |
| 2013 | 0.12 | 0.31 | 72.08 | 38.5% |
| 2012 | 0.11 | 0.33 | 76.85 | 34.2% |
| 2011 | 0.12 | 0.33 | 76.28 | 36.3% |
| 2010 | 0.14 | 0.34 | 79.84 | 40.5% |
| 2009 | 0.14 | 0.35 | 82.09 | 38.2% |
| 2008 | 0.13 | 0.37 | 86.71 | 34.2% |
| 2007 | 0.13 | 0.38 | 87.13 | 33.9% |
| 2006 | 0.12 | 0.37 | 85.24 | 31.7% |
| 2005 | 0.12 | 0.36 | 84.51 | 32.2% |
| 2004 | 0.13 | 0.36 | 83.45 | 35.4% |
| 2003 | 0.13 | 0.38 | 87.23 | 34.6% |
| 2002 | 0.12 | 0.34 | 78.23 | 37% |
| 2001 | 0.14 | 0.33 | 77.84 | 42.4% |
| 2000 | 0.14 | 0.33 | 75.52 | 42.3% |
| 1999 | 0.14 | 0.33 | 75.34 | 43.7% |
| 1998 | 0.15 | 0.33 | 75.32 | 43.7% |
| 1997 | 0.15 | 0.32 | 70.16 | 48.6% |
| 1996 | 0.17 | 0.29 | 64.57 | 56.3% |
| 1995 | 0.17 | 0.31 | 67.73 | 54.3% |
| 1994 | 0.16 | 0.3 | 63.74 | 55.2% |
| 1993 | 0.18 | 0.28 | 59.31 | 62.6% |
| 1992 | 0.16 | 0.28 | 57.89 | 57% |