| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most. | 376 |
6.6%
|
| 2 | About half | 176 |
3.1%
|
| 3 | Some of them | 1576 |
27.7%
|
| 4 | None of them | 3559 |
62.6%
|
| Sysmiss | 36 |