| Value | Category | Cases | |
|---|---|---|---|
| 1995 | 91 |
2.3%
|
|
| 1996 | 773 |
19.4%
|
|
| 1997 | 718 |
18%
|
|
| 1998 | 779 |
19.5%
|
|
| 1999 | 866 |
21.7%
|
|
| 2000 | 762 |
19.1%
|