| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 714 |
50.8%
|
| 2012 | 76 |
5.4%
|
|
| 2013 | 295 |
21%
|
|
| 2014 | 317 |
22.5%
|
|
| 4444 | Marked on card | 2 |
0.1%
|
| 9997 | Inconsistent | 2 |
0.1%
|
| 9998 | DK | 0 |
0%
|
| 9999 | Missing | 0 |
0%
|
| Sysmiss | 1322 |