| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 667 |
45.5%
|
| 2 | Occasionally | 324 |
22.1%
|
| 3 | Often | 212 |
14.5%
|
| 4 | Quite often | 262 |
17.9%
|
| Sysmiss | 30 |