| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 1401 |
58.9%
|
| 1 | Some of them | 651 |
27.4%
|
| 2 | Most of them | 128 |
5.4%
|
| 3 | All of them | 72 |
3%
|
| 8 | Refused | 1 |
0%
|
| 9 | Don't know | 125 |
5.3%
|