| 1972 | 197 reads | 4 |
| 1978 | 7 reads | 4 |
| 1994 | 292 reads | 4.15 |
| 1992 | 405 reads | 4.18 |
| 1993 | 861 reads | 4.04 |
| 24 | 141 reads | 3.97 |
| 30 reads | 4.08 | |
| 1995 | 224 reads | 4.01 |
| 1995 | 352 reads | 4.02 |
| 20 | 478 reads | 3.95 |
| 1982 | 110 reads | 3.81 |
| 2000 | 3,020 reads | 4.38 |
| 1997 | 60 reads | 3.36 |
| 1954 | 2,008 reads | 4.38 |
| 1998 | 876 reads | 3.05 |
| 1968 | 468 reads | 4.03 |
| 1954 | 1,327 reads | 4.45 |
| 2007 | 2,763 reads | 4.43 |
| 1987 | 71 reads | 3.41 |
| 2003 | 2,853 reads | 4.3 |
| 2005 | 2,705 reads | 4.39 |