| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 855 |
4.7%
|
| 2011 | 126 |
0.7%
|
|
| 2012 | 453 |
2.5%
|
|
| 2013 | 936 |
5.2%
|
|
| 2014 | 409 |
2.3%
|
|
| 4444 | Marked on card | 22 |
0.1%
|
| 6666 | Mother reported | 61 |
0.3%
|
| 9997 | Inconsistent | 27 |
0.1%
|
| 9998 | DK | 13 |
0.1%
|
| Sysmiss | 15206 |
84%
|