| Value | Category | Cases | |
|---|---|---|---|
| 2015 | 7 |
0.2%
|
|
| 2016 | 1257 |
34.6%
|
|
| 2017 | 1858 |
51.2%
|
|
| 2018 | 495 |
13.6%
|
|
| 4444 | MARKED ON CARD | 0 |
0%
|
| 6666 | MOTHER REPORTED | 0 |
0%
|
| 9999 | NO RESPONSE | 11 |
0.3%
|
| Sysmiss | 13061 |