| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 270 |
5.4%
|
|
| 2001 | 358 |
7.2%
|
|
| 2002 | 360 |
7.2%
|
|
| 2003 | 372 |
7.5%
|
|
| 2004 | 364 |
7.3%
|
|
| 2005 | 340 |
6.8%
|
|
| 2006 | 335 |
6.7%
|
|
| 2007 | 343 |
6.9%
|
|
| 2008 | 382 |
7.7%
|
|
| 2009 | 349 |
7%
|
|
| 2010 | 385 |
7.7%
|
|
| 2011 | 435 |
8.7%
|
|
| 2012 | 479 |
9.6%
|
|
| 2013 | 147 |
3%
|
|
| 9998 | DK | 15 |
0.3%
|
| Sysmiss | 49 |
1%
|