| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 87 |
7.3%
|
| 1 | Some of them | 529 |
44.1%
|
| 2 | Most of them | 277 |
23.1%
|
| 3 | All of them | 80 |
6.7%
|
| 9 | Don't know/haven't heard | 227 |
18.9%
|