| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.2%
|
| -1 | Don't know | 15 |
3.4%
|
| 1 | None of them | 4 |
0.9%
|
| 2 | Few of them | 267 |
59.7%
|
| 3 | Most of them | 133 |
29.8%
|
| 4 | All of them | 27 |
6%
|