| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.5%
|
| -1 | Don't know | 29 |
2.9%
|
| 1 | None of them | 7 |
0.7%
|
| 2 | Few of them | 208 |
20.8%
|
| 3 | Most of them | 607 |
60.7%
|
| 4 | All of them | 144 |
14.4%
|