| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 2 |
7.1%
|
|
| 2001 | 5 |
17.9%
|
|
| 2002 | 5 |
17.9%
|
|
| 2003 | 8 |
28.6%
|
|
| 2004 | 8 |
28.6%
|