| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1456 |
77.4%
|
| 2 | Occasionally | 301 |
16%
|
| 3 | Often | 67 |
3.6%
|
| 4 | Quite often | 56 |
3%
|
| Sysmiss | 11 |