| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 539 |
11.6%
|
| 2 | about half of them | 293 |
6.3%
|
| 3 | some of them | 1639 |
35.4%
|
| 4 | none of them | 2157 |
46.6%
|
| Sysmiss | 44 |