| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1979 | 25 |
0.8%
|
| 2 | 1980 | 20 |
0.7%
|
| 3 | 1981 | 11 |
0.4%
|
| 4 | 1982 | 24 |
0.8%
|
| 5 | 1983 | 143 |
4.8%
|
| 6 | 1984 | 82 |
2.8%
|
| 7 | 1985 | 105 |
3.5%
|
| 8 | 1986 | 120 |
4%
|
| 9 | 1987 | 96 |
3.2%
|
| 10 | 1988 | 317 |
10.6%
|
| 11 | 1989 | 100 |
3.4%
|
| 12 | 1990 | 198 |
6.7%
|
| 13 | 1991 | 142 |
4.8%
|
| 14 | 1992 | 141 |
4.7%
|
| 15 | 1993 | 292 |
9.8%
|
| 16 | 1994 | 129 |
4.3%
|
| 17 | 1995 | 145 |
4.9%
|
| 18 | 1996 | 172 |
5.8%
|
| 19 | 1997 | 122 |
4.1%
|
| 20 | 1998 | 277 |
9.3%
|
| 21 | 1999 | 111 |
3.7%
|
| 22 | 2000 | 170 |
5.7%
|
| 23 | 2001 | 14 |
0.5%
|
| 24 | 2002 | 6 |
0.2%
|
| 25 | 2003 | 12 |
0.4%
|
| 26 | 2004 | 3 |
0.1%
|
| 27 | 2005 | 0 |
0%
|
| Sysmiss | 28 |