| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 9 |
0.8%
|
| -1 | Don't know | 34 |
2.8%
|
| 1 | None of them | 35 |
2.9%
|
| 2 | Few of them | 562 |
46.8%
|
| 3 | Most of them | 463 |
38.6%
|
| 4 | All of them | 97 |
8.1%
|