| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 16 |
2.3%
|
| 2 | Monthly | 82 |
12%
|
| 3 | A few times a year | 201 |
29.3%
|
| 4 | Rarely | 160 |
23.4%
|
| 5 | Never | 226 |
33%
|
| Sysmiss | 34 |