| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 20 |
0.8%
|
| 2 | Twice a day | 88 |
3.7%
|
| 3 | Every day | 674 |
28.3%
|
| 4 | 2-4times per week | 1368 |
57.5%
|
| 5 | Once a week | 175 |
7.4%
|
| 6 | Less than once a week | 11 |
0.5%
|
| 98 | Other | 44 |
1.8%
|
| Sysmiss | 947 |