| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 12 |
8.8%
|
| 2 | Less than once a year | 25 |
18.2%
|
| 3 | Once a year to a few times a year | 71 |
51.8%
|
| 4 | Less than once a month | 6 |
4.4%
|
| 5 | At least once a month | 17 |
12.4%
|
| 6 | At least once a week | 6 |
4.4%
|
| Sysmiss | 25 |