| 1997 | 312 reads | 4.27 |
| 2002 | 97 reads | 3.98 |
| 2011 | 210 reads | 3.88 |
| 2010 | 46 reads | 3.82 |
| 2008 | 2,149 reads | 3.94 |
| 2003 | 0 reads | 0 |
| 2014 | 56 reads | 3.51 |
| 2011 | 513 reads | 4.13 |
| 1988 | 4 reads | 4 |
| 1974 | 256 reads | 3.77 |
| 2004 | 6 reads | 3.2 |
| 1988 | 293 reads | 3.71 |
| 2000 | 2 reads | 3.5 |
| 2012 | 203 reads | 4.18 |
| 1349 | 28 reads | 3.54 |
| 2010 | 141 reads | 4.06 |
| 1980 | 365 reads | 3.92 |
| 2014 | 8 reads | 4.33 |
| 1982 | 22 reads | 4.44 |