| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 39 |
13.4%
|
| 2 | Less than once a year | 41 |
14.1%
|
| 3 | Once a year to a few times a year | 109 |
37.5%
|
| 4 | Less than once a month | 26 |
8.9%
|
| 5 | At least once a month | 49 |
16.8%
|
| 6 | At least once a week | 27 |
9.3%
|
| Sysmiss | 84 |