| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 139 |
4.3%
|
| 2 | about half of them | 207 |
6.4%
|
| 3 | some of them | 117 |
3.6%
|
| 4 | none of them | 2789 |
85.8%
|
| Sysmiss | 61 |