| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 4077 |
91.6%
|
| 44 | Marked on card | 319 |
7.2%
|
| 97 | Inconsistent | 0 |
0%
|
| 98 | DK | 40 |
0.9%
|
| 99 | Missing | 15 |
0.3%
|