| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 117 |
28.2%
|
| 2 | not permanent | 137 |
33%
|
| 3 | a few | 66 |
15.9%
|
| 4 | yes | 95 |
22.9%
|
| Sysmiss | 6 |