| Value | Category | Cases | |
|---|---|---|---|
| 0 | NOT GIVEN | 0 |
0%
|
| 2016 | 387 |
29%
|
|
| 2017 | 544 |
40.7%
|
|
| 2018 | 404 |
30.3%
|
|
| 4444 | MARKED ON CARD | 0 |
0%
|
| 9999 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 2217 |