| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1640 |
79.4%
|
| 2 | Occasionally | 312 |
15.1%
|
| 3 | Often | 69 |
3.3%
|
| 4 | Quite often | 44 |
2.1%
|
| Sysmiss | 1 |