| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a week | 143 |
15.5%
|
| 2 | Once or twice a month | 77 |
8.3%
|
| 3 | A few times a year | 87 |
9.4%
|
| 4 | Never | 617 |
66.8%
|
| Sysmiss | 76 |