| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not applicable | 0 |
0%
|
| 2 | Respondent refuses to answer | 0 |
0%
|
| 3 | Respondent does not know | 25 |
1.5%
|
| 4 | 1966 | 3 |
0.2%
|
| 5 | 1996 | 204 |
12.2%
|
| 6 | 1997 | 444 |
26.6%
|
| 7 | 1998 | 57 |
3.4%
|
| 8 | 1999 | 20 |
1.2%
|
| 9 | 2000 | 21 |
1.3%
|
| 10 | 2001 | 16 |
1%
|
| 11 | 2002 | 52 |
3.1%
|
| 12 | 2003 | 8 |
0.5%
|
| 13 | 2004 | 9 |
0.5%
|
| 14 | 2005 | 16 |
1%
|
| 15 | 2006 | 4 |
0.2%
|
| 16 | 2007 | 10 |
0.6%
|
| 17 | 2008 | 7 |
0.4%
|
| 18 | 2009 | 9 |
0.5%
|
| 19 | 2010 | 2 |
0.1%
|
| 20 | 2011 | 22 |
1.3%
|
| 21 | 2012 | 596 |
35.7%
|
| 22 | 2013 | 94 |
5.6%
|
| 23 | 2014 | 28 |
1.7%
|
| 24 | 2015 | 20 |
1.2%
|
| 25 | 2016 | 2 |
0.1%
|
| Sysmiss | 837 |