| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 52 |
4.3%
|
| 1 | Some of them | 693 |
57.8%
|
| 2 | Most of them | 263 |
21.9%
|
| 3 | All of them | 69 |
5.8%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't know | 122 |
10.2%
|