| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 29 |
2.9%
|
| -1 | Don't know | 80 |
8%
|
| 1 | None of them | 71 |
7.1%
|
| 2 | Few of them | 493 |
49.3%
|
| 3 | Most of them | 244 |
24.4%
|
| 4 | All of them | 83 |
8.3%
|