| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 5 |
7.1%
|
| 2 | Less than once a year | 10 |
14.3%
|
| 3 | Once a year to a few times a year | 27 |
38.6%
|
| 4 | Less than once a month | 7 |
10%
|
| 5 | At least once a month | 13 |
18.6%
|
| 6 | At least once a week | 8 |
11.4%
|
| Sysmiss | 13 |