| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 64 |
44.1%
|
| 2 | Less than once a year | 19 |
13.1%
|
| 3 | Once a year to a few times a year | 36 |
24.8%
|
| 4 | Less than once a month | 5 |
3.4%
|
| 5 | At least once a month | 18 |
12.4%
|
| 6 | At least once a week | 3 |
2.1%
|
| Sysmiss | 8 |