| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most of them | 140 |
3.6%
|
| 2 | About half of them | 67 |
1.7%
|
| 3 | Some of them | 384 |
9.9%
|
| 4 | None of them | 3294 |
84.8%
|
| Sysmiss | 32 |