| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 54 |
4.5%
|
| 1 | Some of them | 288 |
24%
|
| 2 | Most of them | 364 |
30.3%
|
| 3 | All of them | 450 |
37.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 44 |
3.7%
|