| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 613 |
37.6%
|
| 2 | Occasionally | 420 |
25.8%
|
| 3 | Often | 280 |
17.2%
|
| 4 | Quite often | 318 |
19.5%
|
| Sysmiss | 36 |