| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 74 |
22.4%
|
| 2 | Less than once a year | 82 |
24.8%
|
| 3 | Once a year to a few times a year | 120 |
36.4%
|
| 4 | Less than once a month | 22 |
6.7%
|
| 5 | At least once a month | 25 |
7.6%
|
| 6 | At least once a week | 7 |
2.1%
|
| Sysmiss | 66 |