| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 17 |
25%
|
| 2 | Less than once a year | 15 |
22.1%
|
| 3 | Once a year to a few times a year | 21 |
30.9%
|
| 4 | Less than once a month | 4 |
5.9%
|
| 5 | At least once a month | 4 |
5.9%
|
| 6 | At least once a week | 7 |
10.3%
|
| Sysmiss | 18 |