
| 2024 | 0.03 | 0.16 | 25.2 | 16% |
| 2023 | 0.02 | 0.17 | 26.33 | 15% |
| 2022 | 0.02 | 0.15 | 23.45 | 16.9% |
| 2021 | 0.02 | 0.13 | 21.37 | 17.6% |
| 2020 | 0.02 | 0.11 | 18.38 | 19.8% |
| 2019 | 0.02 | 0.14 | 22.1 | 14% |
| 2018 | 0.02 | 0.12 | 19.82 | 15% |
| 2017 | 0.02 | 0.11 | 18.14 | 16.3% |
| 2016 | 0.02 | 0.12 | 18.78 | 13.7% |
| 2015 | 0.02 | 0.11 | 18.57 | 13.5% |
| 2014 | 0.02 | 0.11 | 17.46 | 14.5% |
| 2013 | 0.02 | 0.1 | 16.97 | 15.1% |
| 2012 | 0.02 | 0.11 | 17.54 | 14.1% |
| 2011 | 0.01 | 0.1 | 17.17 | 14.2% |
| 2010 | 0.02 | 0.1 | 17.14 | 14.5% |
| 2009 | 0.01 | 0.1 | 17.08 | 12.2% |
| 2008 | 0.02 | 0.1 | 17.28 | 19% |
| 2007 | 0.02 | 0.11 | 18.23 | 16.8% |
| 2006 | 0.02 | 0.11 | 17.52 | 19.7% |
| 2005 | 0.01 | 0.1 | 16.81 | 13.3% |
| 2004 | 0.01 | 0.1 | 16.55 | 10.9% |
| 2003 | 0.01 | 0.1 | 16.49 | 11.2% |
| 2002 | 0.0097 | 0.09 | 15.74 | 10.3% |
| 2001 | 0.0093 | 0.09 | 15.11 | 10.3% |
| 2000 | 0.01 | 0.09 | 15.16 | 11.3% |
| 1999 | 0.0082 | 0.09 | 14.82 | 9.4% |
| 1998 | 0.0071 | 0.08 | 14.37 | 8.4% |
| 1997 | 0.0067 | 0.07 | 12.51 | 9.2% |
| 1996 | 0.008 | 0.07 | 12.19 | 11.3% |
| 1995 | 0.0065 | 0.07 | 12.43 | 9.1% |
| 1994 | 0.0055 | 0.06 | 9.98 | 9.6% |
| 1993 | 0.0054 | 0.05 | 9.11 | 10.5% |
| 1992 | 0.005 | 0.05 | 9.05 | 9.8% |
| 1991 | 0.0045 | 0.04 | 8.03 | 10.1% |
| 1990 | 0.0065 | 0.04 | 7.54 | 16% |
| 1989 | 0.0065 | 0.04 | 7.32 | 16.8% |
| 1988 | 0.006 | 0.04 | 7.57 | 15.4% |
| 1987 | 0.0055 | 0.04 | 7.08 | 15.1% |
| 1986 | 0.0057 | 0.04 | 7.4 | 15.4% |
| 1985 | 0.0056 | 0.03 | 7.09 | 16.2% |
| 1984 | 0.006 | 0.03 | 6.9 | 18.2% |
| 1983 | 0.0052 | 0.03 | 6.85 | 16.2% |
| 1982 | 0.0058 | 0.03 | 6.65 | 18.9% |
| 1981 | 0.0054 | 0.03 | 6.64 | 17.9% |
| 1980 | 0.0053 | 0.03 | 7.59 | 15.4% |