| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 429 |
2.4%
|
| 2011 | 173 |
1%
|
|
| 2012 | 571 |
3.2%
|
|
| 2013 | 1144 |
6.3%
|
|
| 2014 | 482 |
2.7%
|
|
| 4444 | Marked on card | 33 |
0.2%
|
| 6666 | Mother reported | 46 |
0.3%
|
| 9997 | Inconsistent | 11 |
0.1%
|
| 9998 | DK | 13 |
0.1%
|
| Sysmiss | 15206 |
84%
|