| Value | Category | Cases | |
|---|---|---|---|
| 0 | NOT GIVEN | 0 |
0%
|
| 2015 | 5 |
0.3%
|
|
| 2016 | 471 |
31.6%
|
|
| 2017 | 547 |
36.7%
|
|
| 2018 | 467 |
31.3%
|
|
| 4444 | MARKED ON CARD | 0 |
0%
|
| 9999 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 2062 |