| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 1932 |
10.7%
|
| 2011 | 26 |
0.1%
|
|
| 2012 | 101 |
0.6%
|
|
| 2013 | 485 |
2.7%
|
|
| 2014 | 257 |
1.4%
|
|
| 4444 | Marked on card | 10 |
0.1%
|
| 6666 | Mother reported | 51 |
0.3%
|
| 9997 | Inconsistent | 34 |
0.2%
|
| 9998 | DK | 6 |
0%
|
| Sysmiss | 15206 |
84%
|