| Value | Category | Cases | |
|---|---|---|---|
| -5 | Missing; Not available | 1 |
0.1%
|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 50 |
4.1%
|
| 1 | None of them | 60 |
4.9%
|
| 2 | Few of them | 567 |
46.1%
|
| 3 | Most of them | 400 |
32.5%
|
| 4 | All of them | 150 |
12.2%
|