
| 2024 | 0.04 | 0.17 | 57.12 | 23.9% |
| 2023 | 0.04 | 0.17 | 56.09 | 22.8% |
| 2022 | 0.04 | 0.17 | 58.67 | 25.1% |
| 2021 | 0.03 | 0.16 | 54.51 | 19.3% |
| 2020 | 0.04 | 0.15 | 52.8 | 23.9% |
| 2019 | 0.03 | 0.14 | 48.62 | 22.7% |
| 2018 | 0.03 | 0.13 | 45.81 | 22.6% |
| 2017 | 0.04 | 0.14 | 46.61 | 26.5% |
| 2016 | 0.03 | 0.13 | 43.23 | 26.7% |
| 2015 | 0.04 | 0.13 | 43.07 | 29.9% |
| 2014 | 0.03 | 0.14 | 47.12 | 24.2% |
| 2013 | 0.03 | 0.13 | 45.75 | 24.5% |
| 2012 | 0.03 | 0.14 | 46.43 | 24.1% |
| 2011 | 0.04 | 0.13 | 42.85 | 28.8% |
| 2010 | 0.04 | 0.12 | 40.35 | 30% |
| 2009 | 0.03 | 0.11 | 36.6 | 31.2% |
| 2008 | 0.03 | 0.12 | 41.69 | 26.5% |
| 2007 | 0.03 | 0.13 | 43.13 | 26.3% |
| 2006 | 0.03 | 0.11 | 37.82 | 30.6% |
| 2005 | 0.04 | 0.11 | 37.68 | 31.2% |
| 2004 | 0.03 | 0.09 | 31.31 | 34.5% |
| 2003 | 0.03 | 0.09 | 29.83 | 30.9% |
| 2002 | 0.03 | 0.08 | 27.28 | 36.1% |
| 2001 | 0.03 | 0.09 | 29.81 | 28.9% |
| 2000 | 0.03 | 0.09 | 29.3 | 28.2% |
| 1999 | 0.03 | 0.09 | 26.87 | 33.4% |
| 1998 | 0.02 | 0.14 | 43.78 | 15.6% |
| 1997 | 0.02 | 0.13 | 40.82 | 16.2% |
| 1996 | 0.03 | 0.16 | 48.06 | 19% |
| 1995 | 0.0065 | 0.12 | 35.8 | 5.5% |
| 1994 | 0.01 | 0.11 | 32.71 | 10.8% |
| 1993 | 0.01 | 0.12 | 34.95 | 12% |
| 1992 | 0.01 | 0.18 | 49.33 | 5.8% |