| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 697 |
29%
|
| 1 | Some of them | 1168 |
48.7%
|
| 2 | Most of them | 223 |
9.3%
|
| 3 | All of them | 103 |
4.3%
|
| 8 | Refused | 3 |
0.1%
|
| 9 | Don't know | 206 |
8.6%
|