
| 2024 | 0.0053 | 0.03 | 1.88 | 19.6% |
| 2023 | 0.0052 | 0.03 | 1.92 | 19.2% |
| 2022 | 0.0044 | 0.02 | 1.7 | 18.9% |
| 2021 | 0.0043 | 0.02 | 1.67 | 19.4% |
| 2020 | 0.0041 | 0.02 | 1.5 | 20.9% |
| 2019 | 0.0037 | 0.02 | 1.47 | 19.8% |
| 2018 | 0.003 | 0.02 | 1.34 | 17.8% |
| 2017 | 0.0021 | 0.02 | 1.38 | 12.6% |
| 2016 | 0.0011 | 0.02 | 1.32 | 7.1% |
| 2015 | 0.001 | 0.02 | 1.33 | 6.7% |
| 2014 | 0.00073 | 0.01 | 1.26 | 5.1% |
| 2013 | 0.00052 | 0.01 | 1.25 | 3.7% |
| 2012 | 0.00064 | 0.01 | 1.23 | 4.8% |
| 2011 | 0.00053 | 0.01 | 1.13 | 4.4% |
| 2010 | 0.0004 | 0.01 | 1.04 | 3.7% |
| 2009 | 0.00057 | 0.0098 | 0.97 | 5.8% |
| 2008 | 0.00055 | 0.0095 | 0.97 | 5.7% |
| 2007 | 0.00044 | 0.0092 | 0.96 | 4.8% |
| 2006 | 0.00044 | 0.009 | 0.97 | 4.9% |
| 2005 | 0.00035 | 0.0089 | 0.99 | 3.9% |
| 2004 | 0.0003 | 0.009 | 1.02 | 3.3% |
| 2003 | 0.00041 | 0.0091 | 1.06 | 4.5% |
| 2002 | 0.00034 | 0.0093 | 1.11 | 3.7% |
| 2001 | 0.00031 | 0.0091 | 1.1 | 3.4% |
| 2000 | 0.00037 | 0.0091 | 1.11 | 4% |
| 1999 | 0.00043 | 0.01 | 1.31 | 4.1% |
| 1998 | 0.00055 | 0.01 | 1.34 | 5% |
| 1997 | 0.00055 | 0.01 | 1.37 | 5.1% |
| 1996 | 0.00048 | 0.01 | 1.58 | 4.5% |
| 1995 | 0.00054 | 0.01 | 1.87 | 5.1% |
| 1994 | 0.00053 | 0.01 | 1.54 | 5.1% |
| 1993 | 0.00052 | 0.01 | 1.28 | 5.1% |
| 1992 | 0.00058 | 0.01 | 1.45 | 5.2% |
| 1991 | 0.00056 | 0.01 | 1.47 | 5% |
| 1990 | 0.00056 | 0.01 | 1.47 | 5.2% |
| 1989 | 0.00058 | 0.01 | 1.43 | 5.7% |
| 1988 | 0.00057 | 0.01 | 1.43 | 5.7% |
| 1987 | 0.00056 | 0.01 | 1.49 | 5.6% |
| 1986 | 0.00051 | 0.01 | 1.54 | 5% |
| 1985 | 0.00055 | 0.01 | 1.58 | 5.5% |
| 1984 | 0.00055 | 0.0098 | 1.6 | 5.6% |
| 1983 | 0.00052 | 0.0062 | 1.05 | 8.3% |
| 1982 | 0.00045 | 0.0056 | 0.97 | 8.2% |
| 1981 | 0.00035 | 0.0058 | 1.04 | 6.1% |
| 1980 | 0.00038 | 0.0028 | 0.53 | 13.3% |