| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 623 |
2.5%
|
| 2 | Monthly | 5340 |
21.7%
|
| 3 | Yearly | 6311 |
25.6%
|
| 4 | Less often | 7156 |
29%
|
| 5 | Not at all | 5220 |
21.2%
|
| Sysmiss | 510 |