| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 257 |
10.7%
|
| 1 | Some of them | 1329 |
55.4%
|
| 2 | Most of them | 413 |
17.2%
|
| 3 | All of them | 188 |
7.8%
|
| 8 | Refused | 4 |
0.2%
|
| 9 | Don't know | 209 |
8.7%
|