| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 31 |
2.5%
|
| 1 | None of them | 69 |
5.6%
|
| 2 | Few of them | 633 |
51.2%
|
| 3 | Most of them | 388 |
31.4%
|
| 4 | All of them | 116 |
9.4%
|