| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 25 |
1.3%
|
| 2 | Once or more a week but not daily | 236 |
12.6%
|
| 3 | Once or more a month but not weekly | 1085 |
57.8%
|
| 4 | Less than once a month | 530 |
28.3%
|
| Sysmiss | 6695 |