| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.5%
|
| -1 | Don't know | 15 |
1.5%
|
| 1 | None of them | 19 |
1.9%
|
| 2 | Few of them | 213 |
21.3%
|
| 3 | Most of them | 554 |
55.4%
|
| 4 | All of them | 194 |
19.4%
|