| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 376 |
5.3%
|
| 2 | about half of them | 496 |
6.9%
|
| 3 | some of them | 2679 |
37.4%
|
| 4 | none of them | 3608 |
50.4%
|
| Sysmiss | 139 |