| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 611 |
44.6%
|
| 2 | Occasionally | 350 |
25.5%
|
| 3 | Often | 211 |
15.4%
|
| 4 | Quite often | 198 |
14.5%
|
| Sysmiss | 21 |