| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 39 |
21.8%
|
| 2014 | 17 |
9.5%
|
|
| 2015 | 47 |
26.3%
|
|
| 2016 | 63 |
35.2%
|
|
| 4444 | Marked on card | 5 |
2.8%
|
| 6666 | Mother reported | 5 |
2.8%
|
| 9998 | DK | 3 |
1.7%
|
| 9999 | Missing | 0 |
0%
|
| Sysmiss | 200 |