| Value | Category | Cases | |
|---|---|---|---|
| -5 | Missing; Unknown | 0 |
0%
|
| -4 | Not asked in survey | 13851 |
82.5%
|
| -3 | Not applicable | 0 |
0%
|
| -2 | No answer | 0 |
0%
|
| -1 | Don´t know | 137 |
0.8%
|
| 0 | Have not | 2366 |
14.1%
|
| 1 | Have done | 432 |
2.6%
|