| Value | Category | Cases | |
|---|---|---|---|
| 0 | NOT GIVEN | 0 |
0%
|
| 2015 | 2 |
11.8%
|
|
| 2016 | 8 |
47.1%
|
|
| 2017 | 2 |
11.8%
|
|
| 2018 | 5 |
29.4%
|
|
| 4444 | MARKED ON CARD | 0 |
0%
|
| 9999 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 3535 |