| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 31 |
18.5%
|
| 2 | Less than once a year | 34 |
20.2%
|
| 3 | Once a year to a few times a year | 45 |
26.8%
|
| 4 | Less than once a month | 21 |
12.5%
|
| 5 | At least once a month | 26 |
15.5%
|
| 6 | At least once a week | 11 |
6.5%
|
| -99 | 4 | ||
| Sysmiss | 32 |