| Value | Category | Cases | |
|---|---|---|---|
| 1982 | 3 |
0.3%
|
|
| 1990 | 61 |
6.4%
|
|
| 1991 | 76 |
7.9%
|
|
| 1992 | 63 |
6.6%
|
|
| 1993 | 63 |
6.6%
|
|
| 1994 | 45 |
4.7%
|
|
| 1995 | 59 |
6.2%
|
|
| 1996 | 133 |
13.9%
|
|
| 1997 | 145 |
15.1%
|
|
| 1998 | 93 |
9.7%
|
|
| 1999 | 55 |
5.7%
|
|
| 2000 | 65 |
6.8%
|
|
| 2001 | 87 |
9.1%
|
|
| 2002 | 11 |
1.1%
|
|
| Sysmiss | 7014 |