| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 0 |
0%
|
| 2015 | 1952 |
14.2%
|
|
| 2016 | 5424 |
39.5%
|
|
| 2017 | 5731 |
41.7%
|
|
| 2018 | 634 |
4.6%
|
|
| 4444 | Marked on card | 0 |
0%
|
| 6666 | Mother reported | 0 |
0%
|
| 9997 | Inconsistent | 0 |
0%
|
| 9999 | No response | 6 |
0%
|
| Sysmiss | 28661 |