| Value | Category | Cases | |
|---|---|---|---|
| 1995 | 1 |
0%
|
|
| 1997 | 1 |
0%
|
|
| 1999 | 44 |
1.5%
|
|
| 2000 | 89 |
3%
|
|
| 2001 | 2497 |
85.1%
|
|
| 2002 | 301 |
10.3%
|