| Value | Category | Cases | |
|---|---|---|---|
| 2015 | 261 |
15.9%
|
|
| 2016 | 593 |
36.1%
|
|
| 2017 | 566 |
34.4%
|
|
| 2018 | 223 |
13.6%
|
|
| 4444 | Marked on card | 0 |
0%
|
| 6666 | Mother reported | 0 |
0%
|
| 9999 | No response | 0 |
0%
|
| Sysmiss | 3011 |