| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 388 |
17.2%
|
| 2 | about half of them | 408 |
18.1%
|
| 3 | some of them | 833 |
37%
|
| 4 | none of them | 621 |
27.6%
|
| Sysmiss | 7 |