| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | none | 4344 |
8.1%
|
| 1 | some of them | 25348 |
47.4%
|
| 2 | most of them | 14441 |
27%
|
| 3 | all of them | 6060 |
11.3%
|
| 8 | refused | 175 |
0.3%
|
| 9 | don't know/ haven’t heard | 3076 |
5.8%
|