| Value | Category | Cases | |
|---|---|---|---|
| 2001 | 154 |
0.9%
|
|
| 2002 | 940 |
5.4%
|
|
| 2003 | 1052 |
6.1%
|
|
| 2004 | 1143 |
6.6%
|
|
| 2005 | 1116 |
6.4%
|
|
| 2006 | 1010 |
5.8%
|
|
| 2007 | 1050 |
6%
|
|
| 2008 | 885 |
5.1%
|
|
| 2009 | 1403 |
8.1%
|
|
| 2010 | 1301 |
7.5%
|
|
| 2011 | 1489 |
8.6%
|
|
| 2012 | 1755 |
10.1%
|
|
| 2013 | 2109 |
12.1%
|
|
| 2014 | 1834 |
10.6%
|
|
| 2015 | 102 |
0.6%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | DK | 33 |
0.2%
|
| Sysmiss | 168 |