| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 427 |
13.3%
|
| 2 | about half of them | 338 |
10.5%
|
| 3 | some of them | 1529 |
47.5%
|
| 4 | none of them | 926 |
28.8%
|
| Sysmiss | 30 |