| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 37 |
1.6%
|
| 2 | Twice a day | 85 |
3.6%
|
| 3 | Every day | 329 |
13.8%
|
| 4 | 2-4times per week | 1607 |
67.5%
|
| 5 | Once a week | 249 |
10.5%
|
| 6 | Less than once a week | 14 |
0.6%
|
| 98 | Other | 59 |
2.5%
|
| Sysmiss | 947 |