|
| Year | Frequency | Percent | Year | Frequency | Percent |
| Q1 | 1893 | 1 | 0.8 | 2000 | 8 | 6.7 |
| 1953 | 3 | 2.5 | 2001 | 1 | 0.8 | |
| 1976 | 1 | 0.8 | 2002 | 5 | 4.2 | |
| 1978 | 1 | 0.8 | 2003 | 10 | 8.3 | |
| 1980 | 4 | 3.3 | 2004 | 3 | 2.5 | |
| 1983 | 2 | 1.7 | 2005 | 2 | 1.7 | |
| 1984 | 1 | 0.8 | 2006 | 9 | 7.5 | |
| 1988 | 1 | 0.8 | 2007 | 4 | 3.3 | |
| 1990 | 3 | 2.5 | 2008 | 7 | 5.8 | |
| 1991 | 2 | 1.7 | 2009 | 6 | 5.0 | |
| 1993 | 5 | 4.2 | 2010 | 14 | 11.7 | |
| 1996 | 4 | 3.3 | 2011 | 9 | 7.5 | |
| 1998 | 4 | 3.3 | 2012 | 4 | 3.3 | |
| 1999 | 2 | 1.7 | 2013 | 4 | 3.3 | |
| Total |
|
|
| 120 | 100.0 |