| 1997 | 48 reads | 3.58 |
| 1989 | 2 reads | 2 |
| 2017 | 117 reads | 3.73 |
| 2011 | 950 reads | 3.9 |
| 2018 | 15 reads | 3.91 |
| 2015 | 685 reads | 4.28 |
| 2016 | 16 reads | 3.71 |
| 2015 | 976 reads | 4.36 |
| 2009 | 7 reads | 3.2 |
| 1977 | 0 reads | 0 |
| 2002 | 368 reads | 3.91 |
| 1968 | 541 reads | 4.05 |
| 1995 | 17 reads | 4.05 |
| 1994 | 35 reads | 3.66 |
| 1968 | 162 reads | 3.9 |
| 2005 | 659 reads | 4.16 |
| 1979 | 220 reads | 4.13 |
| 2010 | 226 reads | 4.02 |
| 1951 | 1,916 reads | 3.62 |
| 1995 | 1,285 reads | 4.03 |
| 1984 | 829 reads | 3.86 |
| 1992 | 752 reads | 3.93 |