| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 237 |
49%
|
| 2 | Less than once a year | 90 |
18.6%
|
| 3 | Once a year to a few times a year | 102 |
21.1%
|
| 4 | Less than once a month | 21 |
4.3%
|
| 5 | At least once a month | 29 |
6%
|
| 6 | At least once a week | 5 |
1%
|
| Sysmiss | 21 |