| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 0 |
0%
|
| 2015 | 2758 |
18.1%
|
|
| 2016 | 5745 |
37.7%
|
|
| 2017 | 6081 |
39.9%
|
|
| 2018 | 653 |
4.3%
|
|
| 4444 | Marked on card | 0 |
0%
|
| 6666 | Mother reported | 0 |
0%
|
| 9997 | Inconsistent | 0 |
0%
|
| 9999 | No response | 5 |
0%
|
| Sysmiss | 27166 |