| Value | Category | Cases | |
|---|---|---|---|
| 2015 | 131 |
3.3%
|
|
| 2016 | 1400 |
34.9%
|
|
| 2017 | 1871 |
46.7%
|
|
| 2018 | 599 |
14.9%
|
|
| 4444 | MARKED ON CARD | 0 |
0%
|
| 6666 | MOTHER REPORTED | 0 |
0%
|
| 9999 | NO RESPONSE | 8 |
0.2%
|
| Sysmiss | 12680 |