| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a week | 72 |
7.4%
|
| 2 | Once or twice a month | 62 |
6.4%
|
| 3 | A few times a year | 129 |
13.3%
|
| 4 | Never | 708 |
72.9%
|
| Sysmiss | 29 |