| Value | Category | Cases | |
|---|---|---|---|
| 1979 | 520 |
14%
|
|
| 1980 | 402 |
10.8%
|
|
| 1981 | 145 |
3.9%
|
|
| 1982 | 219 |
5.9%
|
|
| 1983 | 216 |
5.8%
|
|
| 1984 | 139 |
3.7%
|
|
| 1985 | 125 |
3.4%
|
|
| 1986 | 61 |
1.6%
|
|
| 1987 | 125 |
3.4%
|
|
| 1988 | 60 |
1.6%
|
|
| 1989 | 58 |
1.6%
|
|
| 1990 | 156 |
4.2%
|
|
| 1991 | 54 |
1.5%
|
|
| 1992 | 72 |
1.9%
|
|
| 1993 | 110 |
3%
|
|
| 1994 | 57 |
1.5%
|
|
| 1995 | 91 |
2.4%
|
|
| 1996 | 70 |
1.9%
|
|
| 1997 | 70 |
1.9%
|
|
| 1998 | 104 |
2.8%
|
|
| 1999 | 72 |
1.9%
|
|
| 2000 | 176 |
4.7%
|
|
| 2001 | 89 |
2.4%
|
|
| 2002 | 116 |
3.1%
|
|
| 2003 | 108 |
2.9%
|
|
| 2004 | 111 |
3%
|
|
| 2005 | 93 |
2.5%
|
|
| 2006 | 86 |
2.3%
|
|
| 2007 | 16 |
0.4%
|
|
| Sysmiss | 660 |