| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 5 |
0.5%
|
| 1 | None of them | 9 |
0.9%
|
| 2 | Few of them | 244 |
23.5%
|
| 3 | Most of them | 510 |
49.1%
|
| 4 | All of them | 269 |
25.9%
|