| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or once or more per week | 5431 |
56.1%
|
| 2 | Once or twice per month | 1677 |
17.3%
|
| 3 | Rearly | 2095 |
21.6%
|
| 4 | Never | 390 |
4%
|
| 9 | 84 |
0.9%
|
|
| Sysmiss | 2332 |