| Value | Category | Cases | |
|---|---|---|---|
| 2015 | 127 |
8.3%
|
|
| 2016 | 610 |
39.7%
|
|
| 2017 | 544 |
35.4%
|
|
| 2018 | 257 |
16.7%
|
|
| 4444 | Marked on card | 0 |
0%
|
| 6666 | Mother reported | 0 |
0%
|
| 9999 | No response | 0 |
0%
|
| Sysmiss | 3116 |