| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 5 |
0.4%
|
| 1 | None of them | 5 |
0.4%
|
| 2 | Few of them | 109 |
7.8%
|
| 3 | Most of them | 758 |
54.1%
|
| 4 | All of them | 522 |
37.3%
|