| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most. | 661 |
17.3%
|
| 2 | About half | 937 |
24.5%
|
| 3 | Some of them | 1991 |
52.2%
|
| 4 | None of them | 228 |
6%
|
| Sysmiss | 44 |