| Value | Category | Cases | |
|---|---|---|---|
| 1999 | 137 |
9.2%
|
|
| 2000 | 254 |
17%
|
|
| 2001 | 170 |
11.4%
|
|
| 2002 | 336 |
22.5%
|
|
| 2003 | 399 |
26.7%
|
|
| 2004 | 196 |
13.1%
|