| Value | Category | Cases | |
|---|---|---|---|
| 0 | NOT GIVEN | 0 |
0%
|
| 2018 | 4 |
0.2%
|
|
| 2019 | 626 |
28.9%
|
|
| 2020 | 1140 |
52.6%
|
|
| 2021 | 397 |
18.3%
|
|
| 4444 | MARKED ON CARD | 0 |
0%
|
| 9999 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 5826 |