| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 26 |
5.4%
|
| 2 | Monthly | 55 |
11.4%
|
| 3 | A few times a year | 192 |
39.8%
|
| 4 | Rarely | 96 |
19.9%
|
| 5 | Never | 28 |
5.8%
|
| Sysmiss | 85 |
17.6%
|