| Value | Category | Cases | |
|---|---|---|---|
| 1 | Have done | 18 |
3.9%
|
| 2 | Not done | 446 |
96.1%
|
| -5 | Missing; Not asked by the interviewer | 103 | |
| -4 | Not asked | 0 | |
| -3 | Not applicable | 0 | |
| -2 | No answer | 242 | |
| -1 | Don´t know | 205 |