| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 49 |
15.7%
|
| 2 | Less than once a year | 58 |
18.5%
|
| 3 | Once a year to a few times a year | 99 |
31.6%
|
| 4 | Less than once a month | 20 |
6.4%
|
| 5 | At least once a month | 29 |
9.3%
|
| 6 | At least once a week | 11 |
3.5%
|
| Sysmiss | 47 |
15%
|