| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 13 |
6.7%
|
| 2 | Monthly | 22 |
11.3%
|
| 3 | A few times a year | 70 |
36.1%
|
| 4 | Rarely | 38 |
19.6%
|
| 5 | Never | 10 |
5.2%
|
| Sysmiss | 41 |
21.1%
|