| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 264 |
11.1%
|
| 1 | Some of them | 880 |
37%
|
| 2 | Most of them | 788 |
33.1%
|
| 3 | All of them | 246 |
10.3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 200 |
8.4%
|