| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 16 |
0.9%
|
| 1 | None of them | 25 |
1.4%
|
| 2 | Few of them | 325 |
18.7%
|
| 3 | Most of them | 694 |
39.9%
|
| 4 | All of them | 680 |
39.1%
|