| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 40 |
12.3%
|
| 2 | Less than once a year | 60 |
18.5%
|
| 3 | Once a year to a few times a year | 139 |
42.8%
|
| 4 | Less than once a month | 27 |
8.3%
|
| 5 | At least once a month | 43 |
13.2%
|
| 6 | At least once a week | 16 |
4.9%
|
| Sysmiss | 68 |