| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 9 |
7.4%
|
| 2 | Less than once a year | 19 |
15.6%
|
| 3 | Once a year to a few times a year | 54 |
44.3%
|
| 4 | Less than once a month | 8 |
6.6%
|
| 5 | At least once a month | 21 |
17.2%
|
| 6 | At least once a week | 11 |
9%
|
| Sysmiss | 34 |