| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 150 |
6.3%
|
| 2 | Twice a day | 40 |
1.7%
|
| 3 | Every day | 98 |
4.1%
|
| 4 | 2-4times per week | 847 |
35.6%
|
| 5 | Once a week | 1143 |
48%
|
| 6 | Less than once a week | 26 |
1.1%
|
| 98 | Other | 76 |
3.2%
|
| Sysmiss | 947 |