| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 158 |
33.2%
|
| 2 | Less than once a year | 68 |
14.3%
|
| 3 | Once a year to a few times a year | 168 |
35.3%
|
| 4 | Less than once a month | 28 |
5.9%
|
| 5 | At least once a month | 38 |
8%
|
| 6 | At least once a week | 16 |
3.4%
|
| Sysmiss | 91 |