| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 97 |
2.6%
|
| 2 | about half of them | 48 |
1.3%
|
| 3 | some of them | 742 |
20.1%
|
| 4 | none of them | 2813 |
76%
|
| Sysmiss | 16 |