| 1988 | 548 reads | 4.29 |
| 1982 | 306 reads | 4.16 |
| 1965 | 70 reads | 3.62 |
| 2010 | 569 reads | 4 |
| 2011 | 24 reads | 3.82 |
| 1990 | 134 reads | 3.94 |
| 1997 | 15 reads | 3.92 |
| 1990 | 946 reads | 4 |
| 1988 | 242 reads | 4.18 |
| 2002 | 861 reads | 3.81 |
| 1989 | 635 reads | 4.27 |
| 1983 | 733 reads | 3.74 |
| 19 reads | 4.4 | |
| 1985 | 1,538 reads | 4.26 |
| 1990 | 100 reads | 4.15 |
| 2002 | 4 reads | 3 |
| 1963 | 11 reads | 4.57 |
| 2014 | 79 reads | 4.06 |
| 1970 | 142 reads | 3.73 |
| 2007 | 7 reads | 4.17 |