| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every day or almos every day | 2706 |
54.9%
|
| 2 | At least one per week but not every | 1765 |
35.8%
|
| 3 | At least one per month but not every | 380 |
7.7%
|
| 4 | Less than one time per month | 77 |
1.6%
|
| Sysmiss | 20407 |