| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 15 |
1.3%
|
| -1 | Don't know | 67 |
5.6%
|
| 1 | None of them | 34 |
2.8%
|
| 2 | Few of them | 329 |
27.4%
|
| 3 | Most of them | 334 |
27.8%
|
| 4 | All of them | 421 |
35.1%
|