| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 107 |
27.9%
|
| 2 | Less than once a year | 101 |
26.3%
|
| 3 | Once a year to a few times a year | 114 |
29.7%
|
| 4 | Less than once a month | 20 |
5.2%
|
| 5 | At least once a month | 31 |
8.1%
|
| 6 | At least once a week | 11 |
2.9%
|
| Sysmiss | 37 |