| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 272 |
5.5%
|
| 2 | about half of them | 496 |
10%
|
| 3 | some of them | 3406 |
68.8%
|
| 4 | none of them | 774 |
15.6%
|
| Sysmiss | 83 |