| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 5 |
1.9%
|
| 2 | Monthly | 49 |
18.8%
|
| 3 | A few times a year | 131 |
50.2%
|
| 4 | Rarely | 64 |
24.5%
|
| 5 | Never | 12 |
4.6%
|
| Sysmiss | 8 |