| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 175 |
7.3%
|
| 1 | Some of them | 1473 |
61.4%
|
| 2 | Most of them | 363 |
15.1%
|
| 3 | All of them | 126 |
5.3%
|
| 8 | Refused | 4 |
0.2%
|
| 9 | Don't know | 259 |
10.8%
|