| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 25 |
15.8%
|
| 2 | Less than once a year | 19 |
12%
|
| 3 | Once a year to a few times a year | 52 |
32.9%
|
| 4 | Less than once a month | 12 |
7.6%
|
| 5 | At least once a month | 36 |
22.8%
|
| 6 | At least once a week | 14 |
8.9%
|
| Sysmiss | 22 |