| Value | Category | Cases | |
|---|---|---|---|
| 1 | Have done | 81 |
7.4%
|
| 2 | Not done | 1016 |
92.6%
|
| -5 | Missing; Not asked by the interviewer | 12 | |
| -4 | Not asked | 0 | |
| -3 | Not applicable | 0 | |
| -2 | No answer | 641 | |
| -1 | Don´t know | 265 |