| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 449 |
19.6%
|
| 2 | about half of them | 510 |
22.3%
|
| 3 | some of them | 1020 |
44.6%
|
| 4 | none of them | 306 |
13.4%
|
| Sysmiss | 16 |