| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 103 |
34.6%
|
| 2 | Less than once a year | 84 |
28.2%
|
| 3 | Once a year to a few times a year | 61 |
20.5%
|
| 4 | Less than once a month | 11 |
3.7%
|
| 5 | At least once a month | 34 |
11.4%
|
| 6 | At least once a week | 5 |
1.7%
|
| Sysmiss | 5 |