| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 729 |
40.8%
|
| 2 | Occasionally | 453 |
25.3%
|
| 3 | Often | 279 |
15.6%
|
| 4 | Quite often | 327 |
18.3%
|
| Sysmiss | 32 |