
| 2024 | 0.000062 | 0.0046 | 5.6 | 1.3% |
| 2023 | 0.000059 | 0.0044 | 5.45 | 1.4% |
| 2022 | 0.000058 | 0.0043 | 5.47 | 1.3% |
| 2021 | 0.000048 | 0.0044 | 5.77 | 1.1% |
| 2020 | 0.000048 | 0.0045 | 5.98 | 1.1% |
| 2019 | 0.000049 | 0.0045 | 6.24 | 1.1% |
| 2018 | 0.00005 | 0.0046 | 6.51 | 1.1% |
| 2017 | 0.000048 | 0.0045 | 6.58 | 1.1% |
| 2016 | 0.000044 | 0.0045 | 6.86 | 0.97% |
| 2015 | 0.000042 | 0.0047 | 7.4 | 0.9% |
| 2014 | 0.000043 | 0.0052 | 8.39 | 0.83% |
| 2013 | 0.000032 | 0.0055 | 9.25 | 0.59% |
| 2012 | 0.000032 | 0.0055 | 9.63 | 0.58% |
| 2011 | 0.000033 | 0.0055 | 9.96 | 0.59% |
| 2010 | 0.00002 | 0.0053 | 9.96 | 0.37% |
| 2009 | 0.000029 | 0.0052 | 9.95 | 0.57% |
| 2008 | 0.00002 | 0.005 | 9.79 | 0.4% |
| 2007 | 0.00002 | 0.0049 | 9.81 | 0.4% |
| 2006 | 0.0000099 | 0.0046 | 9.37 | 0.22% |
| 2005 | 0 | 0.0044 | 9.19 | 0% |
| 2004 | 0 | 0.0043 | 9.12 | 0% |
| 2003 | 0 | 0.0041 | 8.73 | 0% |
| 2002 | 0 | 0.0039 | 8.51 | 0% |
| 2001 | 0 | 0.0038 | 8.39 | 0% |
| 2000 | 0 | 0.0036 | 8.18 | 0% |
| 1999 | 0 | 0.0024 | 5.58 | 0% |
| 1998 | 0 | 0.0024 | 5.73 | 0% |
| 1997 | 0 | 0.0024 | 5.9 | 0% |
| 1996 | 0 | 0.0024 | 6.08 | 0% |
| 1995 | 0 | 0.0024 | 6.24 | 0% |
| 1994 | 0 | 0.0024 | 6.43 | 0% |
| 1993 | 0 | 0.0024 | 6.62 | 0% |
| 1992 | 0 | 0.0024 | 6.84 | 0% |
| 1991 | 0 | 0.0024 | 7.03 | 0% |
| 1990 | 0 | 0.0024 | 7.25 | 0% |
| 1989 | 0 | 0.0024 | 7.48 | 0% |
| 1988 | 0 | 0.0024 | 7.74 | 0% |
| 1987 | 0 | 0.002 | 6.67 | 0% |
| 1986 | 0 | 0.0017 | 5.91 | 0% |
| 1985 | 0 | 0.0019 | 6.69 | 0% |
| 1984 | 0 | 0.0021 | 7.71 | 0% |
| 1983 | 0 | 0.0021 | 7.95 | 0% |
| 1982 | 0 | 0.0019 | 7.4 | 0% |
| 1981 | 0 | 0.0021 | 8.51 | 0% |
| 1980 | 0 | 0.0015 | 6.19 | 0% |