| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 240 |
53.3%
|
| 2 | Less than once a year | 89 |
19.8%
|
| 3 | Once a year to a few times a year | 68 |
15.1%
|
| 4 | Less than once a month | 18 |
4%
|
| 5 | At least once a month | 22 |
4.9%
|
| 6 | At least once a week | 13 |
2.9%
|
| Sysmiss | 25 |