| 1991 | 2 reads | 4 |
| 2005 | 45 reads | 3.34 |
| 2008 | 14 reads | 3.91 |
| 1998 | 166 reads | 4.01 |
| 2012 | 5 reads | 3.33 |
| 2011 | 338 reads | 4.22 |
| 2003 | 13 reads | 4.09 |
| 2007 | 2 reads | 3.5 |
| 1997 | 0 reads | 0 |
| 2004 | 0 reads | 0 |
| 2010 | 28 reads | 3.38 |
| 2011 | 19 reads | 3.57 |
| 2006 | 1 read | 3 |
| 2010 | 3 reads | 3.75 |
| 1922 | 12 reads | 3.89 |
| 2010 | 0 reads | 0 |
| 1998 | 10 reads | 3.67 |
| 2006 | 0 reads | 0 |
| 2010 | 2 reads | 3 |
| 2006 | 60 reads | 3.14 |
| 2010 | 0 reads | 0 |