| Value | Category | Cases | |
|---|---|---|---|
| 2003 | 179 |
0.8%
|
|
| 2004 | 1310 |
5.8%
|
|
| 2005 | 1411 |
6.3%
|
|
| 2006 | 1699 |
7.6%
|
|
| 2007 | 1448 |
6.4%
|
|
| 2008 | 1508 |
6.7%
|
|
| 2009 | 1645 |
7.3%
|
|
| 2010 | 1411 |
6.3%
|
|
| 2011 | 1938 |
8.6%
|
|
| 2012 | 1597 |
7.1%
|
|
| 2013 | 1964 |
8.7%
|
|
| 2014 | 2122 |
9.5%
|
|
| 2015 | 2395 |
10.7%
|
|
| 2016 | 1823 |
8.1%
|
|
| 9999 | NO RESPONSE | 4 |
0%
|
| Sysmiss | 252 |