| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 104 |
26.5%
|
| 2 | not permanent | 129 |
32.8%
|
| 3 | a few | 67 |
17%
|
| 4 | yes | 93 |
23.7%
|
| Sysmiss | 28 |