| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 413 |
7.9%
|
| 2 | about half of them | 211 |
4%
|
| 3 | some of them | 854 |
16.3%
|
| 4 | none of them | 3763 |
71.8%
|
| Sysmiss | 147 |