| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 35 |
2.9%
|
| 1 | None of them | 79 |
6.6%
|
| 2 | Few of them | 617 |
51.4%
|
| 3 | Most of them | 321 |
26.8%
|
| 4 | All of them | 147 |
12.3%
|