| Value | Category | Cases | |
|---|---|---|---|
| 1998 | 1 |
0%
|
|
| 1999 | 26 |
0.2%
|
|
| 2000 | 683 |
5.2%
|
|
| 2001 | 789 |
6%
|
|
| 2002 | 742 |
5.7%
|
|
| 2003 | 810 |
6.2%
|
|
| 2004 | 870 |
6.7%
|
|
| 2005 | 882 |
6.8%
|
|
| 2006 | 895 |
6.9%
|
|
| 2007 | 932 |
7.1%
|
|
| 2008 | 961 |
7.4%
|
|
| 2009 | 887 |
6.8%
|
|
| 2010 | 934 |
7.2%
|
|
| 2011 | 874 |
6.7%
|
|
| 2012 | 854 |
6.5%
|
|
| 2013 | 872 |
6.7%
|
|
| 2014 | 834 |
6.4%
|
|
| 2015 | 195 |
1.5%
|
|
| 3333 | Missing | 2 |
0%
|
| 5555 | Not applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 4 |
0%
|
| Sysmiss | 871 |