| Value | Category | Cases | |
|---|---|---|---|
| 1995 | 207 |
7.9%
|
|
| 1996 | 575 |
21.9%
|
|
| 1997 | 591 |
22.5%
|
|
| 1998 | 488 |
18.6%
|
|
| 1999 | 454 |
17.3%
|
|
| 2000 | 306 |
11.7%
|