
| 2024 | 0.03 | 0.19 | 17.89 | 14.5% |
| 2023 | 0.03 | 0.2 | 18.4 | 14.1% |
| 2022 | 0.03 | 0.18 | 16.91 | 15.5% |
| 2021 | 0.03 | 0.17 | 16.47 | 16.3% |
| 2020 | 0.02 | 0.15 | 14.5 | 15.5% |
| 2019 | 0.02 | 0.16 | 16.26 | 15.2% |
| 2018 | 0.02 | 0.15 | 15.13 | 16.9% |
| 2017 | 0.02 | 0.15 | 15.18 | 15.8% |
| 2016 | 0.02 | 0.14 | 14.88 | 14% |
| 2015 | 0.02 | 0.15 | 15.98 | 11.3% |
| 2014 | 0.01 | 0.13 | 14.64 | 10.4% |
| 2013 | 0.02 | 0.13 | 14.1 | 12.8% |
| 2012 | 0.02 | 0.12 | 14.18 | 12.7% |
| 2011 | 0.02 | 0.11 | 13.4 | 13.2% |
| 2010 | 0.01 | 0.11 | 13.34 | 13.2% |
| 2009 | 0.01 | 0.11 | 13.18 | 13.1% |
| 2008 | 0.0097 | 0.11 | 14.32 | 8.4% |
| 2007 | 0.0091 | 0.12 | 14.88 | 7.8% |
| 2006 | 0.0084 | 0.09 | 12.03 | 9.1% |
| 2005 | 0.0071 | 0.1 | 13.11 | 7.2% |
| 2004 | 0.0084 | 0.1 | 13.79 | 8.4% |
| 2003 | 0.0079 | 0.09 | 12.71 | 8.7% |
| 2002 | 0.0063 | 0.08 | 11.75 | 7.8% |
| 2001 | 0.007 | 0.08 | 11.56 | 9% |
| 2000 | 0.0077 | 0.07 | 10.33 | 11.4% |
| 1999 | 0.0072 | 0.07 | 11.27 | 10% |
| 1998 | 0.0065 | 0.07 | 10.88 | 9.6% |
| 1997 | 0.007 | 0.06 | 10.08 | 11.5% |
| 1996 | 0.0069 | 0.06 | 10.04 | 11.6% |
| 1995 | 0.0057 | 0.05 | 9.42 | 10.4% |
| 1994 | 0.0061 | 0.05 | 8.63 | 12.8% |
| 1993 | 0.0076 | 0.05 | 8.33 | 16.9% |
| 1992 | 0.0074 | 0.05 | 8.68 | 16.2% |
| 1991 | 0.0072 | 0.04 | 8.62 | 16.2% |
| 1990 | 0.007 | 0.04 | 8.94 | 15.8% |
| 1989 | 0.0062 | 0.04 | 8.22 | 15.6% |
| 1988 | 0.0059 | 0.03 | 7.12 | 17.7% |
| 1987 | 0.0039 | 0.03 | 6.18 | 13.6% |
| 1986 | 0.0043 | 0.03 | 6.43 | 15.2% |
| 1985 | 0.003 | 0.03 | 5.96 | 11.5% |
| 1984 | 0.003 | 0.03 | 6.64 | 10.6% |
| 1983 | 0.0028 | 0.03 | 6.79 | 10.2% |
| 1982 | 0.0029 | 0.03 | 6.48 | 11.2% |
| 1981 | 0.0028 | 0.03 | 6.66 | 11% |
| 1980 | 0.0026 | 0.03 | 7.39 | 9.6% |