| Value | Category | Cases | |
|---|---|---|---|
| 1 | None of them | 1638 |
82.2%
|
| 2 | Some of them | 316 |
15.9%
|
| 3 | Most of them | 17 |
0.9%
|
| 4 | All of them | 22 |
1.1%
|
| Sysmiss | 21 |