| 2011 | 3.6 |
| 2012 | 3.71 |
| 1991 | 3 |
| 1968 | 3.88 |
| 2001 | 4.09 |
| 2010 | 0 |
| 2011 | 3.78 |
| 3.6 | |
| 1958 | 4.5 |
| 1940 | 3 |
| 1984 | 4.5 |
| 2005 | 4.1 |
| 1984 | 3.57 |
| 2007 | 3.62 |
| 2007 | 3.71 |
| 2011 | 3.66 |
| 2011 | 4.18 |
| 2009 | 3.94 |
| 2011 | 3.75 |
| 2011 | 4.34 |
| 2012 | 3.89 |
| 2013 | 4 |
| 2011 | 3.45 |
| 2005 | 3.98 |
| 2008 | 4.18 |
| 1997 | 3.97 |
| 2001 | 4.23 |
| 3.92 | |
| 2008 | 3.5 |
| 1995 | 4.13 |
| 2010 | 4 |
| 2003 | 4.32 |
| 2012 | 3.83 |
| 2008 | 3.86 |
| 2009 | 3.91 |
| 1992 | 0 |
| 1993 | 4.15 |
| 2006 | 3.83 |
| 2007 | 4.13 |
| 2007 | 4.07 |
| 2006 | 4.11 |
| 4.11 |