| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 113 |
28%
|
| 2 | not permanent | 130 |
32.2%
|
| 3 | a few | 63 |
15.6%
|
| 4 | yes | 98 |
24.3%
|
| Sysmiss | 17 |