| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most of them | 28 |
7.9%
|
| 2 | Some of them | 17 |
4.8%
|
| 3 | Very few | 12 |
3.4%
|
| 4 | No one | 299 |
84%
|
| Sysmiss | 693 |