| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 11 |
8.6%
|
| 2 | Less than once a year | 27 |
21.1%
|
| 3 | Once a year to a few times a year | 62 |
48.4%
|
| 4 | Less than once a month | 11 |
8.6%
|
| 5 | At least once a month | 14 |
10.9%
|
| 6 | At least once a week | 3 |
2.3%
|
| Sysmiss | 38 |