| 2015 | 2.99 |
| 2016 | 3.1 |
| 2006 | 4.05 |
| 2007 | 3.85 |
| 2007 | 4.18 |
| 2015 | 3.48 |
| 2009 | 3.4 |
| 2008 | 4.08 |
| 2014 | 3.67 |
| 2005 | 4.06 |
| 2011 | 3.86 |
| 2013 | 2.73 |
| 2006 | 3.17 |
| 3.12 | |
| 2014 | 3.72 |
| 1985 | 4.17 |
| 2014 | 3 |
| 2001 | 4.66 |
| 2009 | 4.17 |
| 1973 | 4.2 |
| 2005 | 3.96 |
| 2005 | 3.94 |
| 1943 | 4.13 |
| 4.4 | |
| 2003 | 3.9 |
| 2015 | 4.21 |
| 2014 | 3.89 |
| 1937 | 3.94 |
| 1962 | 4.04 |
| 2001 | 3.56 |
| 1993 | 4.08 |
| 2006 | 3.68 |
| 2014 | 0 |
| 2004 | 3.85 |
| 1 | 4.4 |
| 2005 | 3.73 |
| 1800 | 4.06 |
| 2013 | 3.91 |
| 1926 | 3.63 |
| 2009 | 3.77 |
| 1830 | 4.3 |
| 1992 | 3.2 |
| 2014 | 4 |
| 1992 | 3.67 |
| 1890 | 4.06 |
| 2011 | 0 |
| 2014 | 4.21 |
| 2014 | 3.98 |