| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 1 |
0.6%
|
| 2013 | 4 |
2.2%
|
|
| 2014 | 53 |
29.6%
|
|
| 2015 | 65 |
36.3%
|
|
| 2016 | 52 |
29.1%
|
|
| 4444 | Marked on card | 0 |
0%
|
| 6666 | Mother reported | 4 |
2.2%
|
| 9998 | DK | 0 |
0%
|
| 9999 | Missing | 0 |
0%
|
| Sysmiss | 200 |