| Value | Category | Cases | |
|---|---|---|---|
| 1 | 986 |
40.8%
|
|
| 1975 | 8 |
0.3%
|
|
| 1978 | 13 |
0.5%
|
|
| 1979 | 11 |
0.5%
|
|
| 1980 | 14 |
0.6%
|
|
| 1982 | 2 |
0.1%
|
|
| 1983 | 3 |
0.1%
|
|
| 1985 | 8 |
0.3%
|
|
| 1986 | 14 |
0.6%
|
|
| 1987 | 19 |
0.8%
|
|
| 1988 | 13 |
0.5%
|
|
| 1989 | 4 |
0.2%
|
|
| 1990 | 21 |
0.9%
|
|
| 1991 | 4 |
0.2%
|
|
| 1992 | 26 |
1.1%
|
|
| 1993 | 7 |
0.3%
|
|
| 1994 | 18 |
0.7%
|
|
| 1995 | 41 |
1.7%
|
|
| 1996 | 22 |
0.9%
|
|
| 1997 | 9 |
0.4%
|
|
| 1998 | 41 |
1.7%
|
|
| 1999 | 40 |
1.7%
|
|
| 2000 | 53 |
2.2%
|
|
| 2001 | 53 |
2.2%
|
|
| 2002 | 45 |
1.9%
|
|
| 2003 | 26 |
1.1%
|
|
| 2004 | 57 |
2.4%
|
|
| 2005 | 23 |
1%
|
|
| 2006 | 60 |
2.5%
|
|
| 2007 | 70 |
2.9%
|
|
| 2008 | 61 |
2.5%
|
|
| 2009 | 93 |
3.9%
|
|
| 2010 | 168 |
7%
|
|
| 2011 | 218 |
9%
|
|
| 2012 | 158 |
6.5%
|
|
| 2013 | 6 |
0.2%
|