| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 88 |
29.1%
|
| 2 | Less than once a year | 42 |
13.9%
|
| 3 | Once a year to a few times a year | 110 |
36.4%
|
| 4 | Less than once a month | 16 |
5.3%
|
| 5 | At least once a month | 39 |
12.9%
|
| 6 | At least once a week | 7 |
2.3%
|
| Sysmiss | 24 |