| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 0 |
0%
|
| 2014 | 3 |
0%
|
|
| 2015 | 4121 |
23.7%
|
|
| 2016 | 5922 |
34.1%
|
|
| 2017 | 6625 |
38.1%
|
|
| 2018 | 694 |
4%
|
|
| 4444 | Marked on card | 0 |
0%
|
| 6666 | Mother reported | 0 |
0%
|
| 9997 | Inconsistent | 0 |
0%
|
| 9999 | No response | 6 |
0%
|
| Sysmiss | 25037 |