| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 19 |
25.3%
|
| 2 | Less than once a year | 8 |
10.7%
|
| 3 | Once a year to a few times a year | 13 |
17.3%
|
| 4 | Less than once a month | 7 |
9.3%
|
| 5 | At least once a month | 17 |
22.7%
|
| 6 | At least once a week | 11 |
14.7%
|
| Sysmiss | 9 |