| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 14 |
11.3%
|
| 2 | Monthly | 16 |
12.9%
|
| 3 | A few times a year | 30 |
24.2%
|
| 4 | Rarely | 19 |
15.3%
|
| 5 | Never | 11 |
8.9%
|
| Sysmiss | 34 |
27.4%
|