| 1993 | 171 reads | 3.7 |
| 1975 | 636 reads | 3.85 |
| 1976 | 581 reads | 3.77 |
| 199 | 230 reads | 3.58 |
| 1978 | 280 reads | 3.81 |
| 1954 | 1,616 reads | 4.44 |
| 1988 | 161 reads | 3.62 |
| 1954 | 1,059 reads | 4.53 |
| 2005 | 1,181 reads | 4.04 |
| 1985 | 172 reads | 3.23 |
| 1978 | 820 reads | 4.16 |
| 1984 | 159 reads | 3.24 |
| 19 | 1,100 reads | 4.14 |
| 1983 | 215 reads | 3.61 |
| 2011 | 1,056 reads | 4.21 |
| 2000 | 1,328 reads | 4.54 |
| 1959 | 537 reads | 3.74 |
| 1991 | 245 reads | 3.78 |
| 1978 | 110 reads | 3.99 |
| 2006 | 205 reads | 3.4 |
| 2007 | 152 reads | 3.6 |
| 1963 | 455 reads | 4.14 |
| 1985 | 1,850 reads | 4.25 |
| 1980 | 808 reads | 4.07 |
| 1854 | 1,912 reads | 3.55 |
| 2010 | 718 reads | 4.03 |
| 2009 | 616 reads | 4.18 |
| 1969 | 1,012 reads | 4.15 |
| 2006 | 135 reads | 3.9 |