| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most. | 113 |
5.5%
|
| 2 | About half | 34 |
1.7%
|
| 3 | Some of them | 556 |
27.2%
|
| 4 | None of them | 1338 |
65.6%
|
| Sysmiss | 6 |