| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1037 |
69.8%
|
| 2 | Occasionally | 247 |
16.6%
|
| 3 | Often | 118 |
7.9%
|
| 4 | Quite often | 84 |
5.7%
|
| Sysmiss | 9 |