| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 33 |
1.4%
|
| -1 | Don't know | 174 |
7.2%
|
| 1 | None of them | 705 |
29.2%
|
| 2 | Few of them | 724 |
30%
|
| 3 | Most of them | 629 |
26%
|
| 4 | All of them | 150 |
6.2%
|