| 2008 | 3.7 |
| 2001 | 3.36 |
| 2008 | 3.22 |
| 2002 | 3.69 |
| 2015 | 4.14 |
| 2014 | 3.57 |
| 1993 | 4 |
| 2014 | 4.5 |
| 19 | 4.27 |
| 2014 | 4.19 |
| 2014 | 3.71 |
| 2012 | 3.24 |
| 2011 | 3.91 |
| 2011 | 3.86 |
| 2015 | 3.52 |
| 2015 | 0 |
| 2015 | 4.4 |
| 2013 | 4.01 |
| 2015 | 0 |
| 2015 | 2.71 |
| 2012 | 3.81 |
| 2009 | 3.3 |
| 2013 | 3 |
| 2014 | 3.58 |
| 2011 | 3.08 |
| 2001 | 4.03 |
| 2014 | 3.89 |
| 2013 | 3.92 |
| 2011 | 3.7 |
| 1999 | 3.78 |
| 2012 | 3.46 |
| 2001 | 3.92 |
| 2010 | 3.48 |
| 2009 | 4.15 |
| 2008 | 3.63 |
| 1988 | 3.48 |
| 2012 | 3.93 |
| 2011 | 3.64 |
| 2012 | 3.72 |
| 2012 | 3.66 |
| 2011 | 3.67 |
| 2009 | 3.85 |
| 2010 | 3.74 |
| 2014 | 3.86 |
| 2013 | 3.76 |
| 2007 | 3.69 |
| 1985 | 3.87 |
| 1877 | 3.99 |