| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | none | 4519 |
9.4%
|
| 1 | some of them | 18239 |
37.9%
|
| 2 | most of them | 13957 |
29%
|
| 3 | all of them | 8327 |
17.3%
|
| 8 | refused | 200 |
0.4%
|
| 9 | don't know/ haven’t heard | 2842 |
5.9%
|