| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 93 |
3.9%
|
| 2 | Twice a day | 77 |
3.2%
|
| 3 | Every day | 879 |
36.9%
|
| 4 | 2-4times per week | 961 |
40.4%
|
| 5 | Once a week | 302 |
12.7%
|
| 6 | Less than once a week | 20 |
0.8%
|
| 98 | Other | 48 |
2%
|
| Sysmiss | 947 |