| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 122 |
10.2%
|
| 1 | Some of them | 603 |
50.3%
|
| 2 | Most of them | 204 |
17%
|
| 3 | All of them | 78 |
6.5%
|
| 9 | Don't know/haven't heard | 193 |
16.1%
|