| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 332 |
27.7%
|
| 1 | Some of them | 644 |
53.7%
|
| 2 | Most of them | 141 |
11.8%
|
| 3 | All of them | 42 |
3.5%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't know | 40 |
3.3%
|