| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 30 |
17.3%
|
| 2 | Less than once a year | 34 |
19.7%
|
| 3 | Once a year to a few times a year | 70 |
40.5%
|
| 4 | Less than once a month | 12 |
6.9%
|
| 5 | At least once a month | 22 |
12.7%
|
| 6 | At least once a week | 5 |
2.9%
|
| Sysmiss | 18 |