
| 2024 | 0.04 | 0.94 | 26 | 4% |
| 2023 | 0.03 | 0.9 | 25.19 | 3.7% |
| 2022 | 0.03 | 0.91 | 25.85 | 3.2% |
| 2021 | 0.03 | 0.9 | 25.8 | 3.6% |
| 2020 | 0.03 | 0.79 | 22.9 | 3.7% |
| 2019 | 0.03 | 0.86 | 24.96 | 3.7% |
| 2018 | 0.03 | 0.82 | 24.26 | 3.3% |
| 2017 | 0.02 | 0.82 | 24.42 | 2.5% |
| 2016 | 0.02 | 0.77 | 23.27 | 2.7% |
| 2015 | 0.02 | 0.78 | 23.83 | 2.6% |
| 2014 | 0.02 | 0.78 | 24.04 | 2.2% |
| 2013 | 0.02 | 0.76 | 23.6 | 2.5% |
| 2012 | 0.01 | 0.75 | 23.68 | 1.6% |
| 2011 | 0.01 | 0.73 | 23.45 | 1.7% |
| 2010 | 0.02 | 0.7 | 22.63 | 2.5% |
| 2009 | 0.01 | 0.66 | 21.58 | 2.1% |
| 2008 | 0.0083 | 0.63 | 21.08 | 1.3% |
| 2007 | 0.0083 | 0.61 | 20.68 | 1.4% |
| 2006 | 0.0091 | 0.58 | 19.8 | 1.6% |
| 2005 | 0.0079 | 0.56 | 19.33 | 1.4% |
| 2004 | 0.0086 | 0.51 | 17.95 | 1.7% |
| 2003 | 0.0081 | 0.44 | 15.79 | 1.8% |
| 2002 | 0.0064 | 0.44 | 15.87 | 1.4% |
| 2001 | 0.0067 | 0.43 | 15.78 | 1.6% |
| 2000 | 0.0059 | 0.41 | 15.22 | 1.4% |
| 1999 | 0.0081 | 0.41 | 15.37 | 2% |
| 1998 | 0.02 | 0.38 | 14.56 | 4.4% |
| 1997 | 0.02 | 0.38 | 14.66 | 5.4% |
| 1996 | 0.02 | 0.36 | 14.32 | 6.1% |
| 1995 | 0.02 | 0.37 | 14.71 | 5.8% |
| 1994 | 0.02 | 0.37 | 14.82 | 6.2% |
| 1993 | 0.02 | 0.33 | 13.68 | 6% |
| 1992 | 0.02 | 0.32 | 13.43 | 6.5% |
| 1991 | 0.02 | 0.3 | 12.64 | 7.3% |
| 1990 | 0.02 | 0.29 | 12.53 | 7.4% |
| 1989 | 0.02 | 0.28 | 12.21 | 8.3% |
| 1988 | 0.03 | 0.25 | 11.17 | 11.2% |
| 1987 | 0.03 | 0.23 | 10.73 | 10.8% |
| 1986 | 0.03 | 0.23 | 10.88 | 13.4% |
| 1985 | 0.03 | 0.22 | 10.34 | 14.1% |
| 1984 | 0.02 | 0.2 | 9.84 | 12.2% |
| 1983 | 0.02 | 0.21 | 10.64 | 11.3% |
| 1982 | 0.02 | 0.21 | 10.55 | 11.6% |
| 1981 | 0.02 | 0.2 | 10.55 | 12.3% |
| 1980 | 0.02 | 0.21 | 11.16 | 12.1% |