| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 758 |
39.3%
|
| 2 | Occasionally | 533 |
27.6%
|
| 3 | Often | 337 |
17.5%
|
| 4 | Quite often | 303 |
15.7%
|
| Sysmiss | 37 |