| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 2812 |
14.2%
|
| 2 | 4-6 times | 613 |
3.1%
|
| 3 | 2-3 times | 1968 |
9.9%
|
| 4 | Once a week | 3484 |
17.6%
|
| 5 | Never | 10702 |
53.9%
|
| Sysmiss | 267 |