
| 2024 | 0.0011 | 0.01 | 1.94 | 9.6% |
| 2023 | 0.0012 | 0.01 | 1.94 | 11.4% |
| 2022 | 0.00046 | 0.01 | 1.98 | 4.3% |
| 2021 | 0.00046 | 0.0091 | 1.74 | 5% |
| 2020 | 0.00046 | 0.0096 | 1.87 | 4.8% |
| 2019 | 0.00046 | 0.01 | 2.45 | 3.7% |
| 2018 | 0.00046 | 0.0074 | 1.5 | 6.2% |
| 2017 | 0.00001 | 0.02 | 3.4 | 0.06% |
| 2016 | 0 | 0.02 | 4.01 | 0% |
| 2015 | 0 | 0.02 | 3.56 | 0% |
| 2014 | 0 | 0.02 | 3.62 | 0% |
| 2013 | 0 | 0.01 | 2.81 | 0% |
| 2012 | 0 | 0.01 | 3.25 | 0% |
| 2011 | 0 | 0.01 | 3.03 | 0% |
| 2010 | 0 | 0.01 | 2.83 | 0% |
| 2009 | 0 | 0.0073 | 1.85 | 0% |
| 2008 | 0 | 0.008 | 2.09 | 0% |
| 2007 | 0 | 0.009 | 2.46 | 0% |
| 2006 | 0 | 0.0097 | 2.77 | 0% |
| 2005 | 0 | 0.0094 | 2.86 | 0% |
| 2004 | 0 | 0.0081 | 2.55 | 0% |
| 2003 | 0 | 0.0074 | 2.38 | 0% |
| 2002 | 0 | 0.0068 | 2.19 | 0% |
| 2001 | 0 | 0.0069 | 2.28 | 0% |
| 2000 | 0 | 0.0065 | 2.2 | 0% |
| 1999 | 0 | 0.0057 | 2.03 | 0% |
| 1998 | 0 | 0.0057 | 2.14 | 0% |
| 1997 | 0 | 0.0055 | 2.29 | 0% |
| 1996 | 0 | 0.0055 | 2.49 | 0% |
| 1995 | 0 | 0.0053 | 2.46 | 0% |
| 1994 | 0 | 0.0053 | 2.49 | 0% |
| 1993 | 0 | 0.0053 | 2.48 | 0% |
| 1992 | 0 | 0.0048 | 2.34 | 0% |
| 1991 | 0 | 0.0046 | 2.36 | 0% |
| 1990 | 0 | 0.0082 | 3.69 | 0% |
| 1989 | 0.0011 | 0.01 | 5.9 | 7.1% |
| 1988 | 0.0011 | 0.02 | 7.42 | 6% |
| 1987 | 0.0011 | 0.01 | 5.96 | 7.6% |
| 1986 | 0.0011 | 0.02 | 8.09 | 5.8% |
| 1985 | 0.00088 | 0.02 | 10.99 | 3.6% |
| 1984 | 0.00076 | 0.02 | 11.31 | 3.1% |
| 1983 | 0.0011 | 0.03 | 12.81 | 4% |
| 1982 | 0.0011 | 0.03 | 13.21 | 4.1% |
| 1981 | 0.0011 | 0.03 | 13.58 | 4% |
| 1980 | 0.0011 | 0.03 | 15.17 | 3.9% |