| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 132 |
1.2%
|
|
| 2001 | 502 |
4.5%
|
|
| 2002 | 674 |
6%
|
|
| 2003 | 687 |
6.2%
|
|
| 2004 | 625 |
5.6%
|
|
| 2005 | 766 |
6.9%
|
|
| 2006 | 715 |
6.4%
|
|
| 2007 | 805 |
7.2%
|
|
| 2008 | 800 |
7.2%
|
|
| 2009 | 849 |
7.6%
|
|
| 2010 | 855 |
7.7%
|
|
| 2011 | 871 |
7.8%
|
|
| 2012 | 804 |
7.2%
|
|
| 2013 | 847 |
7.6%
|
|
| 2014 | 788 |
7.1%
|
|
| 2015 | 435 |
3.9%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | Don't know | 0 |
0%
|
| Sysmiss | 14275 |