| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 19 |
1.9%
|
| -1 | Don't know | 70 |
7%
|
| 1 | None of them | 68 |
6.8%
|
| 2 | Few of them | 512 |
51.2%
|
| 3 | Most of them | 255 |
25.5%
|
| 4 | All of them | 76 |
7.6%
|