| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 40 |
1.8%
|
| 1 | Some of them | 864 |
39.1%
|
| 2 | Most of them | 790 |
35.7%
|
| 3 | All of them | 369 |
16.7%
|
| 9 | Don't Know | 147 |
6.7%
|