| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | None | 243 |
20.6%
|
| 1 | Some of them | 466 |
39.4%
|
| 2 | Most of them | 131 |
11.1%
|
| 3 | All of them | 23 |
1.9%
|
| 9 | Don't know/ Haven't heard | 317 |
26.8%
|
| 98 | Refused | 0 |
0%
|