| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 240 |
10.1%
|
| 1 | Some of them | 981 |
41.3%
|
| 2 | Most of them | 687 |
28.9%
|
| 3 | All of them | 219 |
9.2%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 251 |
10.6%
|