| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 176 |
4.6%
|
| 2 | about half of them | 74 |
1.9%
|
| 3 | some of them | 234 |
6.1%
|
| 4 | none of them | 3329 |
87.3%
|
| Sysmiss | 27 |