| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or once or more per week | 807 |
8.3%
|
| 2 | Once or twice per month | 1034 |
10.7%
|
| 3 | Rearly | 2327 |
24%
|
| 4 | Never | 5388 |
55.7%
|
| 9 | 120 |
1.2%
|
|
| Sysmiss | 2333 |