| Value | Category | Cases | |
|---|---|---|---|
| 2003 | 213 |
7.6%
|
|
| 2004 | 438 |
15.6%
|
|
| 2005 | 554 |
19.8%
|
|
| 2006 | 683 |
24.3%
|
|
| 2007 | 800 |
28.5%
|
|
| 2008 | 117 |
4.2%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | DK | 0 |
0%
|
| Sysmiss | 15616 |