| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 99 |
55.3%
|
| 2015 | 8 |
4.5%
|
|
| 2016 | 49 |
27.4%
|
|
| 4444 | Marked on card | 5 |
2.8%
|
| 6666 | Mother reported | 2 |
1.1%
|
| 9998 | DK | 16 |
8.9%
|
| 9999 | Missing | 0 |
0%
|
| Sysmiss | 200 |