| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most of them | 478 |
11.3%
|
| 2 | About half of them | 431 |
10.2%
|
| 3 | Some of them | 1665 |
39.5%
|
| 4 | None of them | 1638 |
38.9%
|
| Sysmiss | 89 |