| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 16 |
15.5%
|
| 2 | Less than once a year | 10 |
9.7%
|
| 3 | Once a year to a few times a year | 38 |
36.9%
|
| 4 | Less than once a month | 15 |
14.6%
|
| 5 | At least once a month | 18 |
17.5%
|
| 6 | At least once a week | 6 |
5.8%
|
| Sysmiss | 10 |