| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or once or more per week | 5512 |
57%
|
| 2 | Once or twice per month | 1486 |
15.4%
|
| 3 | Rearly | 2169 |
22.4%
|
| 4 | Never | 425 |
4.4%
|
| 9 | 84 |
0.9%
|
|
| Sysmiss | 2333 |