| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 117 |
9.8%
|
| 1 | Some of them | 591 |
49.3%
|
| 2 | Most of them | 300 |
25%
|
| 3 | All of them | 116 |
9.7%
|
| 8 | Refused | 3 |
0.3%
|
| 9 | Don't know | 73 |
6.1%
|