| Value | Category | Cases | |
|---|---|---|---|
| 0 | NOT GIVEN | 0 |
0%
|
| 2018 | 7 |
17.5%
|
|
| 2019 | 19 |
47.5%
|
|
| 2020 | 11 |
27.5%
|
|
| 2021 | 3 |
7.5%
|
|
| 4444 | MARKED ON CARD | 0 |
0%
|
| 9999 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 7954 |