| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 37 |
22.8%
|
| 2 | Less than once a year | 23 |
14.2%
|
| 3 | Once a year to a few times a year | 69 |
42.6%
|
| 4 | Less than once a month | 7 |
4.3%
|
| 5 | At least once a month | 19 |
11.7%
|
| 6 | At least once a week | 7 |
4.3%
|
| Sysmiss | 38 |