| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 76 |
4.8%
|
| 1 | Some of them | 668 |
41.8%
|
| 2 | Most of them | 559 |
34.9%
|
| 3 | All of them | 271 |
16.9%
|
| 8 | Refused | 3 |
0.2%
|
| 9 | Don't know | 23 |
1.4%
|