| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 218 |
5.2%
|
| 2 | about half of them | 209 |
4.9%
|
| 3 | some of them | 1172 |
27.7%
|
| 4 | none of them | 2630 |
62.2%
|
| Sysmiss | 44 |