| Value | Category | Cases | |
|---|---|---|---|
| 777 | Not applicable | 0 |
0%
|
| 888 | Respondent refuses to answer | 0 |
0%
|
| 999 | Respondent does not know | 0 |
0%
|
| 1996 | 48 |
29.8%
|
|
| 1997 | 11 |
6.8%
|
|
| 1998 | 3 |
1.9%
|
|
| 1999 | 2 |
1.2%
|
|
| 2000 | 3 |
1.9%
|
|
| 2001 | 1 |
0.6%
|
|
| 2002 | 4 |
2.5%
|
|
| 2004 | 1 |
0.6%
|
|
| 2005 | 1 |
0.6%
|
|
| 2007 | 1 |
0.6%
|
|
| 2008 | 1 |
0.6%
|
|
| 2012 | 3 |
1.9%
|
|
| 2014 | 3 |
1.9%
|
|
| 2015 | 2 |
1.2%
|
|
| 2016 | 77 |
47.8%
|
|
| Sysmiss | 266 |