| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 80 |
6.7%
|
| 1 | Some of them | 459 |
38.3%
|
| 2 | Most of them | 294 |
24.5%
|
| 3 | All of them | 236 |
19.7%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 129 |
10.8%
|