| 2015 | 3.62 |
| 2014 | 4.19 |
| 2016 | 4 |
| 1976 | 3.62 |
| 2013 | 2 |
| 2001 | 3.86 |
| 2010 | 3.67 |
| 2012 | 4 |
| 2010 | 3 |
| 3.33 | |
| 2009 | 3.83 |
| 2009 | 3.68 |
| 1945 | 3.79 |
| 1995 | 3.87 |
| 1995 | 3.41 |
| 2010 | 3.56 |
| 2017 | 3.51 |
| 2001 | 4.12 |
| 2014 | 3.7 |
| 2016 | 3.78 |
| 2017 | 3.73 |
| 2017 | 3.76 |
| 2016 | 4.1 |
| 2016 | 3.45 |
| 2008 | 3.59 |
| 1998 | 4.23 |
| 2016 | 3.1 |
| 2015 | 3.23 |
| 2007 | 3.51 |
| 2004 | 3.34 |
| 2005 | 4.33 |
| 2013 | 3.99 |
| 2006 | 3.32 |
| 2013 | 3.37 |
| 2003 | 3.94 |
| 2016 | 3.46 |
| 2015 | 3.67 |
| 2015 | 4.14 |
| 2014 | 3.98 |
| 2015 | 4 |
| 1953 | 3.92 |
| 2015 | 3.97 |
| 2012 | 3.72 |
| 2015 | 4.14 |
| 12 | 3.43 |
| 2015 | 3.83 |
| 2011 | 3.91 |
| 2002 | 3 |
| 2016 | 3.83 |
| 2011 | 3.54 |
| 2014 | 5 |
| 0 | |
| 2015 | 4.5 |
| 2017 | 3.69 |
| 2013 | 3.8 |
| 2016 | 3.5 |
| 3.46 | |
| 2000 | 4 |
| 2016 | 4.43 |
| 2011 | 4 |
| 2012 | 4.27 |
| 3 | |
| 2015 | 3.22 |
| 2016 | 3.75 |
| 2015 | 4 |
| 2015 | 3.57 |
| 2018 | 3.95 |
| 1999 | 3.06 |
| 2017 | 4.1 |