| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 7 |
0.5%
|
| -1 | Don't know | 80 |
5.2%
|
| 1 | None of them | 367 |
24%
|
| 2 | Few of them | 977 |
63.9%
|
| 3 | Most of them | 91 |
6%
|
| 4 | All of them | 6 |
0.4%
|