| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1019 |
53.2%
|
| 2 | Occasionally | 451 |
23.5%
|
| 3 | Often | 243 |
12.7%
|
| 4 | Quite often | 204 |
10.6%
|
| Sysmiss | 30 |