| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 8 |
0.6%
|
| 1 | None of them | 21 |
1.7%
|
| 2 | Few of them | 349 |
28.2%
|
| 3 | Most of them | 595 |
48.1%
|
| 4 | All of them | 264 |
21.3%
|