| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 0 |
0%
|
| 2013 | 1 |
0.1%
|
|
| 2014 | 147 |
10.1%
|
|
| 2015 | 533 |
36.7%
|
|
| 2016 | 718 |
49.4%
|
|
| 4444 | Marked on card | 0 |
0%
|
| 6666 | Mother reported | 0 |
0%
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | DK | 45 |
3.1%
|
| 9999 | Missing | 10 |
0.7%
|
| Sysmiss | 27881 |