| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. none of them | 3 |
7.9%
|
| 2 | 2. a few of them | 6 |
15.8%
|
| 3 | 3. some of them | 7 |
18.4%
|
| 4 | 4. most or all of them | 22 |
57.9%
|
| 9 | 9. don't know | 0 |
0%
|
| Sysmiss | 61 |