
| 2024 | 0.03 | 0.24 | 10.2 | 13.5% |
| 2023 | 0.03 | 0.27 | 11.56 | 11.7% |
| 2022 | 0.03 | 0.27 | 11.69 | 11% |
| 2021 | 0.03 | 0.32 | 14.09 | 9.4% |
| 2020 | 0.02 | 0.27 | 12.17 | 7.5% |
| 2019 | 0.02 | 0.32 | 14.38 | 6.2% |
| 2018 | 0.02 | 0.32 | 14.45 | 7.6% |
| 2017 | 0.02 | 0.33 | 15 | 5% |
| 2016 | 0.02 | 0.33 | 15.18 | 5.1% |
| 2015 | 0.02 | 0.3 | 13.96 | 7.4% |
| 2014 | 0.02 | 0.28 | 12.94 | 6.2% |
| 2013 | 0.02 | 0.24 | 11.4 | 10.2% |
| 2012 | 0.01 | 0.26 | 12.33 | 4.6% |
| 2011 | 0.02 | 0.24 | 11.47 | 6.8% |
| 2010 | 0.02 | 0.21 | 10.03 | 9.4% |
| 2009 | 0.01 | 0.19 | 9.03 | 7.2% |
| 2008 | 0.01 | 0.2 | 9.54 | 7.2% |
| 2007 | 0.01 | 0.2 | 9.73 | 6.7% |
| 2006 | 0.01 | 0.19 | 9.55 | 6.8% |
| 2005 | 0.01 | 0.2 | 9.7 | 6% |
| 2004 | 0.01 | 0.19 | 9.38 | 5.3% |
| 2003 | 0.01 | 0.18 | 8.93 | 6.3% |
| 2002 | 0.0091 | 0.18 | 8.93 | 5.2% |
| 2001 | 0.01 | 0.17 | 8.75 | 6.1% |
| 2000 | 0.01 | 0.18 | 9.14 | 6.1% |
| 1999 | 0.01 | 0.15 | 7.93 | 9.4% |
| 1998 | 0.01 | 0.14 | 7.62 | 9.3% |
| 1997 | 0.01 | 0.14 | 7.62 | 8.4% |
| 1996 | 0.01 | 0.13 | 7 | 8.8% |
| 1995 | 0.02 | 0.11 | 6.54 | 13.1% |
| 1994 | 0.01 | 0.11 | 6.32 | 12.7% |
| 1993 | 0.01 | 0.1 | 5.86 | 12.9% |
| 1992 | 0.0098 | 0.09 | 5.16 | 11.3% |
| 1991 | 0.01 | 0.08 | 5.03 | 12.7% |
| 1990 | 0.01 | 0.08 | 5.17 | 12.6% |
| 1989 | 0.0095 | 0.08 | 4.7 | 12.4% |
| 1988 | 0.0088 | 0.08 | 5.05 | 10.8% |
| 1987 | 0.0073 | 0.09 | 5.34 | 8.6% |
| 1986 | 0.0089 | 0.08 | 4.83 | 11.8% |
| 1985 | 0.0081 | 0.08 | 5.07 | 10.3% |
| 1984 | 0.0071 | 0.09 | 5.89 | 7.8% |
| 1983 | 0.0041 | 0.08 | 5.29 | 5.1% |
| 1982 | 0.0054 | 0.08 | 5.27 | 6.7% |
| 1981 | 0.0053 | 0.08 | 5.18 | 6.8% |
| 1980 | 0.005 | 0.08 | 5.26 | 6.4% |