| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a week | 171 |
17.6%
|
| 2 | Once or twice a month | 110 |
11.3%
|
| 3 | A few times a year | 211 |
21.7%
|
| 4 | Never | 480 |
49.4%
|
| Sysmiss | 28 |