| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 83 |
1.9%
|
| 2 | all | 2931 |
66.1%
|
| 3 | some | 776 |
17.5%
|
| 4 | only the most important | 647 |
14.6%
|
| Sysmiss | 7678 |