| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 9 |
7%
|
| 2 | Less than once a year | 18 |
14%
|
| 3 | Once a year to a few times a year | 54 |
41.9%
|
| 4 | Less than once a month | 13 |
10.1%
|
| 5 | At least once a month | 28 |
21.7%
|
| 6 | At least once a week | 7 |
5.4%
|
| -99 | 1 | ||
| Sysmiss | 29 |