| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 140 |
5.1%
|
| 2010 | 67 |
2.4%
|
|
| 2011 | 694 |
25.3%
|
|
| 2012 | 787 |
28.6%
|
|
| 2013 | 879 |
32%
|
|
| 4444 | Marked on card | 11 |
0.4%
|
| 6666 | Mother reported | 167 |
6.1%
|
| 9998 | DK | 2 |
0.1%
|
| Sysmiss | 3390 |