| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a week | 152 |
16.4%
|
| 2 | Once or twice a month | 85 |
9.1%
|
| 3 | A few times a year | 102 |
11%
|
| 4 | Never | 590 |
63.5%
|
| Sysmiss | 71 |