| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 949 |
43.3%
|
| 1 | occasionally | 654 |
29.9%
|
| 2 | weekly | 350 |
16%
|
| 3 | daily | 237 |
10.8%
|
| Sysmiss | 12886 |