| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. never | 241 |
10.4%
|
| 2 | 2. once or twice a week | 822 |
35.6%
|
| 3 | 3. three to five times a week | 534 |
23.1%
|
| 4 | 4. every day | 710 |
30.8%
|
| Sysmiss | 2231 |