| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 477 |
35.4%
|
| 2 | Occasionally | 305 |
22.6%
|
| 3 | Often | 252 |
18.7%
|
| 4 | Quite often | 314 |
23.3%
|
| Sysmiss | 20 |