| 26 reads | 3.23 | |
| 2005 | 1 read | 3 |
| 1998 | 25 reads | 3.5 |
| 1981 | 2 reads | 2.33 |
| 2013 | 7 reads | 3.2 |
| 2013 | 11 reads | 4.5 |
| 1995 | 0 reads | 0 |
| 1980 | 4 reads | 3 |
| 1991 | 86 reads | 3.92 |
| 2002 | 41 reads | 3.76 |
| 2006 | 23 reads | 3.83 |
| 2011 | 19 reads | 4.2 |
| 2001 | 12 reads | 3.22 |
| 1999 | 28 reads | 3.3 |
| 2008 | 18 reads | 3.93 |
| 2007 | 17 reads | 3.89 |
| 1993 | 0 reads | 0 |
| 2004 | 27 reads | 3.9 |
| 2011 | 24 reads | 3.74 |
| 2003 | 30 reads | 3.76 |
| 2009 | 15 reads | 3.68 |
| 2004 | 31 reads | 3.57 |
| 2010 | 14 reads | 4.4 |
| 2011 | 8 reads | 3.89 |
| 2012 | 7 reads | 3.4 |
| 2013 | 6 reads | 2.8 |
| 2004 | 512 reads | 3.99 |
| 2010 | 15 reads | 3.45 |
| 2012 | 9 reads | 3.83 |