| Value | Category | Cases | |
|---|---|---|---|
| -5 | Missing; Not available | 1 |
0.1%
|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 20 |
1.6%
|
| 1 | None of them | 68 |
5.4%
|
| 2 | Few of them | 311 |
24.6%
|
| 3 | Most of them | 578 |
45.7%
|
| 4 | All of them | 287 |
22.7%
|