| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 11 |
2.1%
|
| 2013 | 19 |
3.7%
|
|
| 2014 | 158 |
30.8%
|
|
| 2015 | 144 |
28.1%
|
|
| 2016 | 159 |
31%
|
|
| 4444 | Marked on card | 6 |
1.2%
|
| 6666 | Mother reported | 16 |
3.1%
|
| 9998 | DK | 0 |
0%
|
| 9999 | Missing | 0 |
0%
|
| Sysmiss | 610 |