| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 218 |
18.2%
|
| 1 | Some of them | 548 |
45.7%
|
| 2 | Most of them | 271 |
22.6%
|
| 3 | All of them | 130 |
10.8%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't know | 32 |
2.7%
|