| 2013 | 3.25 |
| 2008 | 4.2 |
| 1977 | 4 |
| 1985 | 4.09 |
| 1988 | 3.79 |
| 2013 | 3.7 |
| 1964 | 4 |
| 2001 | 4.02 |
| 1961 | 3.98 |
| 1939 | 3.78 |
| 2014 | 4.09 |
| 1951 | 3.6 |
| 1949 | 4.21 |
| 1999 | 4.06 |
| 1954 | 3.55 |
| 2016 | 4.02 |
| 1988 | 3.48 |
| 1980 | 3.84 |
| 2006 | 1 |
| 1954 | 3.9 |
| 1971 | 5 |
| 1926 | 4 |
| 1955 | 4.5 |
| 1966 | 3.33 |
| 1970 | 3.68 |
| 1927 | 3.85 |
| 1922 | 4 |
| 1973 | 4.5 |
| 2004 | 0 |
| 1849 | 3.66 |
| 1978 | 4.17 |
| 1956 | 4.36 |
| 3.38 | |
| 2015 | 4 |
| 1830 | 4.31 |
| 1973 | 4.13 |
| 1958 | 4.06 |
| 2015 | 3.84 |
| 1961 | 4 |
| 1989 | 3.55 |
| 1982 | 4 |
| 1929 | 4 |
| 1942 | 3.92 |
| 1953 | 3.91 |
| 2014 | 3.75 |
| 1999 | 4.12 |
| 1964 | 4.15 |
| 1955 | 3.5 |