| Value | Category | Cases | |
|---|---|---|---|
| 0 | NOT GIVEN | 433 |
12.5%
|
| 2015 | 54 |
1.6%
|
|
| 2016 | 339 |
9.8%
|
|
| 2017 | 548 |
15.8%
|
|
| 2018 | 129 |
3.7%
|
|
| 4444 | MARKED ON CARD | 34 |
1%
|
| 9997 | 1 |
0%
|
|
| 9998 | 2 |
0.1%
|
|
| 9999 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 1933 |
55.6%
|