| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 30 |
31.6%
|
| 2 | Less than once a year | 20 |
21.1%
|
| 3 | Once a year to a few times a year | 29 |
30.5%
|
| 4 | Less than once a month | 2 |
2.1%
|
| 5 | At least once a month | 9 |
9.5%
|
| 6 | At least once a week | 5 |
5.3%
|
| Sysmiss | 16 |