| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 588 |
14.7%
|
| 2 | about half of them | 648 |
16.2%
|
| 3 | some of them | 2137 |
53.3%
|
| 4 | none of them | 637 |
15.9%
|
| Sysmiss | 32 |