
| 2024 | 0.02 | 0.11 | 2.17 | 20% |
| 2023 | 0.02 | 0.11 | 2.19 | 20.3% |
| 2022 | 0.02 | 0.11 | 2.26 | 20.2% |
| 2021 | 0.02 | 0.1 | 2.24 | 19% |
| 2020 | 0.02 | 0.09 | 2.09 | 17.9% |
| 2019 | 0.02 | 0.1 | 2.26 | 17.1% |
| 2018 | 0.02 | 0.1 | 2.29 | 16% |
| 2017 | 0.01 | 0.09 | 2.2 | 15.7% |
| 2016 | 0.01 | 0.08 | 2.11 | 18.1% |
| 2015 | 0.01 | 0.08 | 2.09 | 17.8% |
| 2014 | 0.01 | 0.08 | 2.11 | 15.9% |
| 2013 | 0.01 | 0.07 | 1.85 | 17.7% |
| 2012 | 0.0097 | 0.06 | 1.78 | 15.8% |
| 2011 | 0.0061 | 0.06 | 1.8 | 10.2% |
| 2010 | 0.0063 | 0.06 | 1.76 | 11% |
| 2009 | 0.006 | 0.05 | 1.59 | 12.1% |
| 2008 | 0.0064 | 0.05 | 1.54 | 13.5% |
| 2007 | 0.0053 | 0.05 | 1.55 | 11.5% |
| 2006 | 0.0045 | 0.04 | 1.32 | 11.7% |
| 2005 | 0.0068 | 0.03 | 1.25 | 19.4% |
| 2004 | 0.0069 | 0.03 | 1.07 | 23.9% |
| 2003 | 0.0064 | 0.03 | 1.03 | 23.6% |
| 2002 | 0.0061 | 0.03 | 1 | 23.7% |
| 2001 | 0.0056 | 0.03 | 1.02 | 22.1% |
| 2000 | 0.0056 | 0.02 | 1.03 | 22.6% |
| 1999 | 0.0043 | 0.02 | 0.88 | 20.9% |
| 1998 | 0.0043 | 0.02 | 0.91 | 20.9% |
| 1997 | 0.0042 | 0.02 | 0.86 | 22.6% |
| 1996 | 0.0038 | 0.02 | 0.84 | 21.1% |
| 1995 | 0.0035 | 0.02 | 0.84 | 20.3% |
| 1994 | 0.0034 | 0.02 | 0.87 | 19.5% |
| 1993 | 0.0033 | 0.02 | 0.87 | 19.3% |
| 1992 | 0.0033 | 0.02 | 0.88 | 20% |
| 1991 | 0.0026 | 0.02 | 0.84 | 17.2% |
| 1990 | 0.0026 | 0.01 | 0.81 | 18.3% |
| 1989 | 0.0023 | 0.01 | 0.76 | 17.8% |
| 1988 | 0.002 | 0.01 | 0.83 | 14.4% |
| 1987 | 0.0021 | 0.0095 | 0.59 | 22.1% |
| 1986 | 0.0022 | 0.01 | 0.68 | 20.8% |
| 1985 | 0.0021 | 0.0099 | 0.66 | 21.7% |
| 1984 | 0.0021 | 0.0092 | 0.63 | 22.6% |
| 1983 | 0.0018 | 0.0087 | 0.61 | 20.2% |
| 1982 | 0.0019 | 0.009 | 0.65 | 21% |
| 1981 | 0.0018 | 0.0078 | 0.57 | 22.5% |
| 1980 | 0.0022 | 0.01 | 0.87 | 18.7% |