| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 17 |
1.4%
|
| -1 | Don't know | 79 |
6.6%
|
| 1 | None of them | 35 |
2.9%
|
| 2 | Few of them | 340 |
28.3%
|
| 3 | Most of them | 329 |
27.4%
|
| 4 | All of them | 400 |
33.3%
|