| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 64 |
31.4%
|
| 2 | Less than once a year | 24 |
11.8%
|
| 3 | Once a year to a few times a year | 89 |
43.6%
|
| 4 | Less than once a month | 7 |
3.4%
|
| 5 | At least once a month | 15 |
7.4%
|
| 6 | At least once a week | 5 |
2.5%
|
| Sysmiss | 18 |