| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a week | 205 |
22.1%
|
| 2 | Once or twice a month | 132 |
14.2%
|
| 3 | A few times a year | 100 |
10.8%
|
| 4 | Never | 492 |
53%
|
| Sysmiss | 71 |