| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most of them | 690 |
8.1%
|
| 2 | About half of them | 547 |
6.4%
|
| 3 | Some of them | 1100 |
12.9%
|
| 4 | None of them | 6160 |
72.5%
|
| Sysmiss | 226 |