| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 1891 |
68.8%
|
| 2011 | 20 |
0.7%
|
|
| 2012 | 156 |
5.7%
|
|
| 2013 | 211 |
7.7%
|
|
| 4444 | Marked on card | 7 |
0.3%
|
| 6666 | Mother reported | 444 |
16.2%
|
| 9998 | DK | 18 |
0.7%
|
| Sysmiss | 3390 |