| Value | Category | Cases | |
|---|---|---|---|
| 1982 | 155 |
2.6%
|
|
| 1984 | 136 |
2.3%
|
|
| 1985 | 9 |
0.2%
|
|
| 1986 | 607 |
10.4%
|
|
| 1987 | 1 |
0%
|
|
| 1988 | 268 |
4.6%
|
|
| 1989 | 243 |
4.1%
|
|
| 1991 | 138 |
2.4%
|
|
| 1992 | 161 |
2.7%
|
|
| 1993 | 107 |
1.8%
|
|
| 1994 | 210 |
3.6%
|
|
| 1995 | 304 |
5.2%
|
|
| 1996 | 17 |
0.3%
|
|
| 1997 | 135 |
2.3%
|
|
| 1999 | 179 |
3.1%
|
|
| 2000 | 111 |
1.9%
|
|
| 2001 | 9 |
0.2%
|
|
| 3333 | Missing | 3072 |
52.4%
|