| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 124 |
29.5%
|
| 2 | not permanent | 141 |
33.6%
|
| 3 | a few | 61 |
14.5%
|
| 4 | yes | 94 |
22.4%
|
| Sysmiss | 1 |