
| 2024 | 0.0068 | 0.17 | 9.21 | 4% |
| 2023 | 0.0065 | 0.17 | 9.37 | 3.8% |
| 2022 | 0.0065 | 0.16 | 9.05 | 4.1% |
| 2021 | 0.0069 | 0.15 | 8.83 | 4.5% |
| 2020 | 0.0061 | 0.13 | 7.83 | 4.7% |
| 2019 | 0.0054 | 0.14 | 8.72 | 3.8% |
| 2018 | 0.0048 | 0.14 | 8.51 | 3.5% |
| 2017 | 0.0041 | 0.13 | 8.22 | 3.3% |
| 2016 | 0.0037 | 0.12 | 7.99 | 3.1% |
| 2015 | 0.0038 | 0.12 | 8.53 | 3% |
| 2014 | 0.0036 | 0.11 | 7.58 | 3.4% |
| 2013 | 0.0035 | 0.1 | 7.03 | 3.7% |
| 2012 | 0.0029 | 0.09 | 6.95 | 3.2% |
| 2011 | 0.0029 | 0.09 | 7.29 | 3.1% |
| 2010 | 0.0032 | 0.09 | 7.13 | 3.5% |
| 2009 | 0.0029 | 0.09 | 7.04 | 3.3% |
| 2008 | 0.0028 | 0.09 | 7.54 | 3.1% |
| 2007 | 0.0026 | 0.09 | 7.55 | 2.9% |
| 2006 | 0.0029 | 0.08 | 7.13 | 3.5% |
| 2005 | 0.003 | 0.08 | 7.41 | 3.6% |
| 2004 | 0.003 | 0.08 | 7.29 | 3.8% |
| 2003 | 0.0033 | 0.08 | 7.01 | 4.4% |
| 2002 | 0.0029 | 0.08 | 7.21 | 3.9% |
| 2001 | 0.0022 | 0.07 | 7.25 | 3% |
| 2000 | 0.0021 | 0.07 | 6.81 | 3.1% |
| 1999 | 0.0018 | 0.06 | 6.13 | 3% |
| 1998 | 0.0018 | 0.05 | 5.7 | 3.3% |
| 1997 | 0.0018 | 0.05 | 5.48 | 3.5% |
| 1996 | 0.0024 | 0.06 | 6.15 | 4.3% |
| 1995 | 0.0021 | 0.06 | 6.25 | 3.7% |
| 1994 | 0.0017 | 0.05 | 5.92 | 3.4% |
| 1993 | 0.0011 | 0.04 | 5.04 | 2.6% |
| 1992 | 0.00046 | 0.04 | 4.97 | 1.1% |
| 1991 | 0.00046 | 0.03 | 4.22 | 1.4% |
| 1990 | 0.00046 | 0.04 | 4.7 | 1.3% |
| 1989 | 0 | 0.04 | 4.78 | 0% |
| 1988 | 0 | 0.03 | 4.76 | 0% |
| 1987 | 0 | 0.04 | 5.72 | 0% |
| 1986 | 0 | 0.04 | 5.81 | 0% |
| 1985 | 0 | 0.04 | 5.83 | 0% |
| 1984 | 0 | 0.04 | 6.33 | 0% |
| 1983 | 0 | 0.03 | 5.19 | 0% |
| 1982 | 0 | 0.03 | 5.66 | 0% |
| 1981 | 0 | 0.03 | 5.81 | 0% |
| 1980 | 0 | 0.03 | 5.98 | 0% |