| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 32 |
12.5%
|
|
| 2001 | 16 |
6.3%
|
|
| 2002 | 23 |
9%
|
|
| 2003 | 110 |
43%
|
|
| 2004 | 75 |
29.3%
|