| Value | Category | Cases | |
|---|---|---|---|
| 1979 | 34 |
6.8%
|
|
| 1980 | 51 |
10.2%
|
|
| 1981 | 7 |
1.4%
|
|
| 1982 | 22 |
4.4%
|
|
| 1983 | 12 |
2.4%
|
|
| 1984 | 14 |
2.8%
|
|
| 1985 | 16 |
3.2%
|
|
| 1986 | 3 |
0.6%
|
|
| 1987 | 11 |
2.2%
|
|
| 1988 | 6 |
1.2%
|
|
| 1989 | 5 |
1%
|
|
| 1990 | 24 |
4.8%
|
|
| 1991 | 8 |
1.6%
|
|
| 1992 | 9 |
1.8%
|
|
| 1993 | 9 |
1.8%
|
|
| 1994 | 4 |
0.8%
|
|
| 1995 | 14 |
2.8%
|
|
| 1996 | 9 |
1.8%
|
|
| 1997 | 12 |
2.4%
|
|
| 1998 | 12 |
2.4%
|
|
| 1999 | 13 |
2.6%
|
|
| 2000 | 41 |
8.2%
|
|
| 2001 | 20 |
4%
|
|
| 2002 | 31 |
6.2%
|
|
| 2003 | 34 |
6.8%
|
|
| 2004 | 31 |
6.2%
|
|
| 2005 | 21 |
4.2%
|
|
| 2006 | 25 |
5%
|
|
| 2007 | 4 |
0.8%
|
|
| Sysmiss | 3879 |