| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 212 |
3.6%
|
|
| 2001 | 258 |
4.4%
|
|
| 2002 | 354 |
6.1%
|
|
| 2003 | 387 |
6.6%
|
|
| 2004 | 348 |
5.9%
|
|
| 2005 | 411 |
7%
|
|
| 2006 | 369 |
6.3%
|
|
| 2007 | 420 |
7.2%
|
|
| 2008 | 492 |
8.4%
|
|
| 2009 | 523 |
8.9%
|
|
| 2010 | 552 |
9.4%
|
|
| 2011 | 638 |
10.9%
|
|
| 2012 | 625 |
10.7%
|
|
| 2013 | 125 |
2.1%
|
|
| 9998 | DK | 2 |
0%
|
| Sysmiss | 134 |
2.3%
|