| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | none | 5820 |
12.1%
|
| 1 | some of them | 20893 |
43.5%
|
| 2 | most of them | 10850 |
22.6%
|
| 3 | all of them | 5430 |
11.3%
|
| 8 | refused | 205 |
0.4%
|
| 9 | don't know/ haven’t heard | 4886 |
10.2%
|