| Value | Category | Cases | |
|---|---|---|---|
| 2002 | 1 |
0%
|
|
| 2003 | 11 |
0.5%
|
|
| 2004 | 7 |
0.3%
|
|
| 2005 | 27 |
1.3%
|
|
| 2006 | 19 |
0.9%
|
|
| 2007 | 24 |
1.1%
|
|
| 2008 | 67 |
3.1%
|
|
| 2009 | 79 |
3.7%
|
|
| 2010 | 98 |
4.6%
|
|
| 2011 | 68 |
3.2%
|
|
| 2012 | 103 |
4.8%
|
|
| 2013 | 163 |
7.6%
|
|
| 2014 | 210 |
9.8%
|
|
| 2015 | 327 |
15.2%
|
|
| 2016 | 514 |
24%
|
|
| 2017 | 359 |
16.7%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 69 |
3.2%
|
| Sysmiss | 12847 |