| 2023 | 4 |
| 2022 | 3.82 |
| 2023 | 3.92 |
| 2021 | 4.02 |
| 2022 | 4.35 |
| 2017 | 3.77 |
| 2016 | 3.79 |
| 2014 | 3.66 |
| 3.59 | |
| 2011 | 3.95 |
| 4.5 | |
| 2014 | 3.8 |
| 2012 | 4.1 |
| 2004 | 3.71 |
| 2010 | 4 |
| 1999 | 4.14 |
| 2012 | 3.5 |
| 2011 | 3.81 |
| 2013 | 4.17 |
| 2013 | 2.5 |
| 1988 | 0 |
| 2001 | 3.42 |
| 2004 | 3.88 |
| 0 | |
| 2007 | 3.77 |
| 2012 | 3.96 |
| 2011 | 4.14 |
| 1991 | 4.07 |
| 2012 | 3.65 |
| 2012 | 3.71 |
| 1969 | 4.02 |
| 2010 | 4.41 |
| 1999 | 3.6 |
| 1997 | 3.97 |
| 2008 | 4.17 |
| 2012 | 3.83 |
| 2011 | 3.94 |
| 2011 | 3.64 |
| 2004 | 3.68 |
| 2010 | 3.76 |
| 2003 | 3.92 |
| 2012 | 2.89 |
| 2012 | 3.56 |
| 2012 | 3.33 |
| 2012 | 3.58 |
| 2012 | 3.93 |
| 2012 | 3.42 |
| 2010 | 3.79 |
| 2009 | 3.69 |
| 1961 | 3.78 |
| 1999 | 3.96 |
| 2010 | 4.18 |
| 2008 | 4.2 |