| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 35 |
2.9%
|
| 1 | None of them | 81 |
6.7%
|
| 2 | Few of them | 455 |
37.4%
|
| 3 | Most of them | 503 |
41.4%
|
| 4 | All of them | 141 |
11.6%
|