| Value | Category | Cases | |
|---|---|---|---|
| 1 | Have done | 17 |
1.7%
|
| 2 | Not done | 963 |
98.3%
|
| -5 | Missing; Not asked by the interviewer | 0 | |
| -4 | Not asked | 0 | |
| -3 | Not applicable | 0 | |
| -2 | No answer | 1 | |
| -1 | Don´t know | 20 |