| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 17 |
1.7%
|
| -1 | Don't know | 86 |
8.6%
|
| 1 | None of them | 115 |
11.5%
|
| 2 | Few of them | 495 |
49.5%
|
| 3 | Most of them | 221 |
22.1%
|
| 4 | All of them | 66 |
6.6%
|