| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of them | 284 |
5.7%
|
| 2 | about half of them | 208 |
4.2%
|
| 3 | some of them | 1609 |
32.3%
|
| 4 | none of them | 2888 |
57.9%
|
| Sysmiss | 42 |