| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 167 |
0.9%
|
| 2011 | 229 |
1.3%
|
|
| 2012 | 642 |
3.5%
|
|
| 2013 | 1268 |
7%
|
|
| 2014 | 457 |
2.5%
|
|
| 4444 | Marked on card | 95 |
0.5%
|
| 6666 | Mother reported | 24 |
0.1%
|
| 9997 | Inconsistent | 9 |
0%
|
| 9998 | DK | 11 |
0.1%
|
| Sysmiss | 15206 |
84%
|