| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most of them | 968 |
7.9%
|
| 2 | About half of them | 751 |
6.1%
|
| 3 | Some of them | 3121 |
25.4%
|
| 4 | None of them | 7434 |
60.6%
|
| Sysmiss | 311 |