| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 4 |
3.1%
|
| 2 | Monthly | 26 |
20.3%
|
| 3 | A few times a year | 49 |
38.3%
|
| 4 | Rarely | 29 |
22.7%
|
| 5 | Never | 20 |
15.6%
|
| Sysmiss | 19 |