| 2010 | 3.41 |
| 2007 | 3.55 |
| 2005 | 3.58 |
| 1985 | 2 |
| 2000 | 3.59 |
| 1993 | 4 |
| 2001 | 4.2 |
| 3.88 | |
| 1979 | 4.2 |
| 2011 | 3.72 |
| 1969 | 4.33 |
| 2010 | 3.84 |
| 1880 | 0 |
| 2003 | 0 |
| 2001 | 5 |
| 1970 | 4 |
| 1971 | 3.67 |
| 2008 | 3.69 |
| 1848 | 3.5 |
| 1961 | 4 |
| 1849 | 3.65 |
| 1876 | 3.78 |
| 1980 | 3.92 |
| 2005 | 3.6 |
| 2010 | 3.69 |
| 2011 | 3.85 |
| 2009 | 3.56 |
| 2009 | 4 |
| 2008 | 3.8 |
| 2003 | 3.86 |
| 2007 | 3.67 |
| 2013 | 3 |
| 2014 | 3.5 |
| 2010 | 3.25 |
| 2014 | 0 |
| 2011 | 3.67 |
| 2012 | 4 |
| 2014 | 0 |
| 2006 | 4 |
| 1999 | 3.14 |
| 1955 | 0 |
| 2006 | 3.73 |
| 2011 | 3.67 |
| 1853 | 4.21 |
| 2003 | 3.92 |
| 2006 | 0 |
| 2007 | 0 |
| 1945 | 4.14 |
| 2007 | 3.72 |
| 2001 | 4.33 |
| 2005 | 0 |
| 2010 | 0 |
| 2011 | 4.12 |
| 2011 | 3 |
| 2011 | 3.25 |
| 1998 | 3.88 |
| 2011 | 3.73 |
| 2006 | 3 |
| 2012 | 4.33 |
| 2013 | 4 |
| 1971 | 3.9 |
| 1988 | 0 |
| 1996 | 4 |
| 2002 | 4 |
| 2004 | 4 |
| 2012 | 4 |
| 1992 | 5 |
| 1998 | 4 |
| 1991 | 5 |
| 1990 | 0 |
| 2000 | 5 |
| 2012 | 3.75 |
| 0 | |
| 1994 | 4 |
| 2008 | 5 |
| 2012 | 3.8 |
| 2009 | 3.78 |
| 2012 | 4.5 |
| 2012 | 3.25 |
| 2009 | 3.59 |
| 2012 | 0 |
| 2008 | 3.64 |
| 2012 | 3.81 |
| 2011 | 3.94 |
| 2010 | 3.36 |
| 2011 | 3.7 |
| 2011 | 3.65 |
| 2008 | 3.8 |
| 1996 | 4.27 |
| 17 | 4.16 |
| 2009 | 4.09 |
| 2012 | 3.78 |
| 2008 | 4.4 |
| 1997 | 3.85 |
| 2008 | 3 |
| 2010 | 2.75 |
| 2010 | 0 |
| 2008 | 3.36 |
| 2011 | 3.96 |
| 1983 | 4.1 |