| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | none | 4633 |
8.7%
|
| 1 | some of them | 23037 |
43.1%
|
| 2 | most of them | 13547 |
25.3%
|
| 3 | all of them | 6972 |
13%
|
| 8 | refused | 163 |
0.3%
|
| 9 | don't know/ haven’t heard | 5092 |
9.5%
|