| Value | Category | Cases | |
|---|---|---|---|
| 1979 | 413 |
11.4%
|
|
| 1980 | 229 |
6.3%
|
|
| 1981 | 86 |
2.4%
|
|
| 1982 | 268 |
7.4%
|
|
| 1983 | 186 |
5.1%
|
|
| 1984 | 147 |
4%
|
|
| 1985 | 125 |
3.4%
|
|
| 1986 | 62 |
1.7%
|
|
| 1987 | 73 |
2%
|
|
| 1988 | 55 |
1.5%
|
|
| 1989 | 64 |
1.8%
|
|
| 1990 | 183 |
5%
|
|
| 1991 | 43 |
1.2%
|
|
| 1992 | 79 |
2.2%
|
|
| 1993 | 154 |
4.2%
|
|
| 1994 | 53 |
1.5%
|
|
| 1995 | 74 |
2%
|
|
| 1996 | 74 |
2%
|
|
| 1997 | 81 |
2.2%
|
|
| 1998 | 83 |
2.3%
|
|
| 1999 | 61 |
1.7%
|
|
| 2000 | 155 |
4.3%
|
|
| 2001 | 94 |
2.6%
|
|
| 2002 | 76 |
2.1%
|
|
| 2003 | 76 |
2.1%
|
|
| 2004 | 64 |
1.8%
|
|
| 2005 | 98 |
2.7%
|
|
| 2006 | 88 |
2.4%
|
|
| 2007 | 109 |
3%
|
|
| 2008 | 116 |
3.2%
|
|
| 2009 | 82 |
2.3%
|
|
| 2010 | 74 |
2%
|
|
| 2011 | 12 |
0.3%
|
|
| Sysmiss | 368 |