| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 65 |
0.4%
|
| 2011 | 238 |
1.3%
|
|
| 2012 | 673 |
3.7%
|
|
| 2013 | 1313 |
7.3%
|
|
| 2014 | 486 |
2.7%
|
|
| 4444 | Marked on card | 93 |
0.5%
|
| 6666 | Mother reported | 16 |
0.1%
|
| 9997 | Inconsistent | 6 |
0%
|
| 9998 | DK | 12 |
0.1%
|
| Sysmiss | 15206 |
84%
|