| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 2 |
2.4%
|
| 2 | Monthly | 11 |
13.3%
|
| 3 | A few times a year | 32 |
38.6%
|
| 4 | Rarely | 18 |
21.7%
|
| 5 | Never | 20 |
24.1%
|
| Sysmiss | 23 |