| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 15 |
5.8%
|
| 2 | Monthly | 49 |
18.9%
|
| 3 | A few times a year | 110 |
42.5%
|
| 4 | Rarely | 69 |
26.6%
|
| 5 | Never | 16 |
6.2%
|
| Sysmiss | 20 |