| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 147 |
62.3%
|
| 2 | Less than once a year | 24 |
10.2%
|
| 3 | Once a year to a few times a year | 29 |
12.3%
|
| 4 | Less than once a month | 15 |
6.4%
|
| 5 | At least once a month | 20 |
8.5%
|
| 6 | At least once a week | 1 |
0.4%
|
| Sysmiss | 14 |