| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 169 |
7.6%
|
| 2 | about half of them | 132 |
6%
|
| 3 | some of them | 570 |
25.8%
|
| 4 | none of them | 1341 |
60.6%
|
| Sysmiss | 8 |