| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. none of them | 21 |
55.3%
|
| 2 | 2. a few of them | 7 |
18.4%
|
| 3 | 3. some of them | 5 |
13.2%
|
| 4 | 4. most or all of them | 2 |
5.3%
|
| 9 | 9. don't know | 3 |
7.9%
|
| Sysmiss | 61 |