| Value | Category | Cases | |
|---|---|---|---|
| 0 | NOT GIVEN | 0 |
0%
|
| 2016 | 489 |
32.7%
|
|
| 2017 | 559 |
37.4%
|
|
| 2018 | 446 |
29.9%
|
|
| 4444 | MARKED ON CARD | 0 |
0%
|
| 9999 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 2058 |