
| 2024 | 0.03 | 0.03 | 52.97 | 99.8% |
| 2023 | 0.04 | 0.03 | 53.23 | 104.9% |
| 2022 | 0.04 | 0.04 | 62.48 | 92.2% |
| 2021 | 0.04 | 0.04 | 59.64 | 102.6% |
| 2020 | 0.04 | 0.03 | 52.33 | 123.6% |
| 2019 | 0.04 | 0.03 | 57.03 | 117.2% |
| 2018 | 0.04 | 0.03 | 48.26 | 140.3% |
| 2017 | 0.04 | 0.04 | 59.09 | 114.9% |
| 2016 | 0.04 | 0.03 | 53.2 | 127.1% |
| 2015 | 0.04 | 0.03 | 56.17 | 118.2% |
| 2014 | 0.04 | 0.03 | 59.3 | 107% |
| 2013 | 0.04 | 0.03 | 59.62 | 110.3% |
| 2012 | 0.04 | 0.04 | 64.66 | 108.4% |
| 2011 | 0.04 | 0.03 | 57.09 | 127.3% |
| 2010 | 0.04 | 0.04 | 71.68 | 104% |
| 2009 | 0.04 | 0.03 | 61.94 | 118.4% |
| 2008 | 0.04 | 0.03 | 61.3 | 120.2% |
| 2007 | 0.04 | 0.03 | 50.76 | 130.7% |
| 2006 | 0.03 | 0.03 | 55.6 | 112.8% |
| 2005 | 0.03 | 0.03 | 51.07 | 114.9% |
| 2004 | 0.03 | 0.03 | 51.24 | 106.5% |
| 2003 | 0.03 | 0.02 | 44.7 | 123.4% |
| 2002 | 0.03 | 0.03 | 52.85 | 97.6% |
| 2001 | 0.03 | 0.02 | 47.59 | 110.3% |
| 2000 | 0.03 | 0.02 | 49.76 | 107.8% |
| 1999 | 0.03 | 0.03 | 54.58 | 108.1% |
| 1998 | 0.03 | 0.03 | 55.59 | 103.6% |
| 1997 | 0.02 | 0.03 | 56.82 | 89.8% |
| 1996 | 0.03 | 0.02 | 56.07 | 102.4% |
| 1995 | 0.02 | 0.03 | 58.33 | 81.9% |
| 1994 | 0.02 | 0.03 | 59.64 | 71% |
| 1993 | 0.02 | 0.03 | 60.18 | 65.3% |
| 1992 | 0.01 | 0.02 | 58.46 | 58% |
| 1991 | 0.01 | 0.03 | 61.29 | 55% |
| 1990 | 0.01 | 0.03 | 63.34 | 50.6% |
| 1989 | 0.01 | 0.02 | 54.5 | 58.1% |
| 1988 | 0.0017 | 0.02 | 46.81 | 8.8% |
| 1987 | 0.0011 | 0.02 | 41.92 | 6.6% |
| 1986 | 0.0026 | 0.02 | 52.89 | 12.4% |
| 1985 | 0.0033 | 0.02 | 55.73 | 15.2% |
| 1984 | 0.0029 | 0.02 | 44.93 | 16.8% |
| 1983 | 0.0024 | 0.02 | 51.34 | 12.5% |
| 1982 | 0.0036 | 0.03 | 71.63 | 13.3% |
| 1981 | 0.0028 | 0.03 | 75.45 | 9.9% |
| 1980 | 0.003 | 0.03 | 87.54 | 9.2% |