| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 8 |
0.6%
|
| -1 | Don't know | 133 |
10.3%
|
| 1 | None of them | 29 |
2.2%
|
| 2 | Few of them | 393 |
30.5%
|
| 3 | Most of them | 511 |
39.6%
|
| 4 | All of them | 215 |
16.7%
|