| 1968 | 947 reads | 3.94 |
| 2011 | 2,309 reads | 4.41 |
| 1972 | 143 reads | 4.12 |
| 1320 | 173 reads | 4.05 |
| 2000 | 1 read | 2.5 |
| 2005 | 729 reads | 4.15 |
| 1600 | 934 reads | 4.03 |
| 1969 | 302 reads | 4.02 |
| 1830 | 760 reads | 4.31 |
| 1962 | 994 reads | 3.76 |
| 1921 | 0 reads | 0 |
| 1940 | 231 reads | 3.85 |
| 1947 | 0 reads | 0 |
| 19 | 876 reads | 4.25 |
| 1606 | 832 reads | 3.9 |
| 1850 | 552 reads | 3.12 |
| 18 | 64 reads | 3.31 |
| 2011 | 660 reads | 3.98 |
| 197 | 205 reads | 4.09 |