| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 32 |
2.3%
|
| 1 | None of them | 16 |
1.1%
|
| 2 | Few of them | 360 |
25.7%
|
| 3 | Most of them | 683 |
48.8%
|
| 4 | All of them | 308 |
22%
|