| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not applicable | 0 |
0%
|
| 2 | Respondent refuses to answer | 0 |
0%
|
| 3 | Respondent does not know | 0 |
0%
|
| 4 | 1994 | 1 |
0.8%
|
| 5 | 1996 | 2 |
1.7%
|
| 6 | 1997 | 8 |
6.7%
|
| 7 | 1998 | 1 |
0.8%
|
| 8 | 2000 | 5 |
4.2%
|
| 9 | 2002 | 1 |
0.8%
|
| 10 | 2003 | 1 |
0.8%
|
| 11 | 2005 | 3 |
2.5%
|
| 12 | 2008 | 2 |
1.7%
|
| 13 | 2009 | 1 |
0.8%
|
| 14 | 2010 | 2 |
1.7%
|
| 15 | 2011 | 6 |
5%
|
| 16 | 2012 | 18 |
15%
|
| 17 | 2013 | 7 |
5.8%
|
| 18 | 2014 | 18 |
15%
|
| 19 | 2015 | 33 |
27.5%
|
| 20 | 2016 | 11 |
9.2%
|
| Sysmiss | 2386 |