| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a week | 49 |
5.2%
|
| 2 | Once or twice a month | 39 |
4.1%
|
| 3 | A few times a year | 102 |
10.8%
|
| 4 | Never | 753 |
79.9%
|
| Sysmiss | 57 |