| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 174 |
14.5%
|
| 1 | Some of them | 589 |
49.1%
|
| 2 | Most of them | 234 |
19.5%
|
| 3 | All of them | 111 |
9.3%
|
| 8 | Refused | 4 |
0.3%
|
| 9 | Don't know | 88 |
7.3%
|