| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 55 |
2.7%
|
| 2 | Twice a day | 29 |
1.4%
|
| 3 | Every day | 197 |
9.7%
|
| 4 | 2-4times per week | 1148 |
56.7%
|
| 5 | Once a week | 542 |
26.8%
|
| 6 | Less than once a week | 9 |
0.4%
|
| 98 | Other | 44 |
2.2%
|
| Sysmiss | 1303 |