| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 117 |
9.8%
|
| 1 | Some of them | 666 |
55.5%
|
| 2 | Most of them | 234 |
19.5%
|
| 3 | All of them | 57 |
4.8%
|
| 8 | Refused | 3 |
0.3%
|
| 9 | Don't know | 123 |
10.3%
|