| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most of them | 33 |
9.3%
|
| 2 | Some of them | 21 |
5.9%
|
| 3 | Very few | 28 |
7.9%
|
| 4 | No one | 273 |
76.9%
|
| Sysmiss | 694 |