| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 123 |
5.1%
|
| 1 | Some of them | 1195 |
49.8%
|
| 2 | Most of them | 604 |
25.2%
|
| 3 | All of them | 257 |
10.7%
|
| 8 | Refused | 5 |
0.2%
|
| 9 | Don't know | 216 |
9%
|