| Value | Category | Cases | |
|---|---|---|---|
| -5 | Missing; Not available | 1 |
0.1%
|
| -2 | No answer | 8 |
0.6%
|
| -1 | Don't know | 17 |
1.3%
|
| 1 | None of them | 95 |
7.5%
|
| 2 | Few of them | 381 |
30.1%
|
| 3 | Most of them | 521 |
41.2%
|
| 4 | All of them | 243 |
19.2%
|