| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 143 |
45.7%
|
| 2 | Less than once a year | 30 |
9.6%
|
| 3 | Once a year to a few times a year | 68 |
21.7%
|
| 4 | Less than once a month | 23 |
7.3%
|
| 5 | At least once a month | 35 |
11.2%
|
| 6 | At least once a week | 14 |
4.5%
|
| Sysmiss | 29 |