| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 210 |
8.8%
|
| 1 | Some of them | 1235 |
51.5%
|
| 2 | Most of them | 585 |
24.4%
|
| 3 | All of them | 254 |
10.6%
|
| 8 | Refused | 2 |
0.1%
|
| 9 | Don't know | 114 |
4.8%
|