| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 209 |
8.7%
|
| 1 | Some of them | 1204 |
50.2%
|
| 2 | Most of them | 508 |
21.2%
|
| 3 | All of them | 269 |
11.2%
|
| 8 | Refused | 5 |
0.2%
|
| 9 | Don't know | 205 |
8.5%
|