| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 13 |
5.4%
|
| 2 | Monthly | 39 |
16.1%
|
| 3 | A few times a year | 123 |
50.8%
|
| 4 | Rarely | 49 |
20.2%
|
| 5 | Never | 18 |
7.4%
|
| Sysmiss | 47 |