| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 64 |
5.3%
|
| 1 | Some of them | 424 |
35.3%
|
| 2 | Most of them | 330 |
27.5%
|
| 3 | All of them | 206 |
17.2%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 174 |
14.5%
|