| Value | Category | Cases | |
|---|---|---|---|
| 0 | NOT GIVEN | 0 |
0%
|
| 2018 | 32 |
2.4%
|
|
| 2019 | 107 |
8.1%
|
|
| 2020 | 815 |
61.6%
|
|
| 2021 | 368 |
27.8%
|
|
| 4444 | MARKED ON CARD | 0 |
0%
|
| 9999 | NO RESPONSE | 1 |
0.1%
|
| Sysmiss | 6671 |