| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 993 |
43.8%
|
| 2 | Occasionally | 576 |
25.4%
|
| 3 | Often | 368 |
16.2%
|
| 4 | Quite often | 331 |
14.6%
|
| Sysmiss | 19 |