| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 576 |
2.5%
|
| 2 | Monthly | 2244 |
9.6%
|
| 3 | Yearly | 11692 |
50.1%
|
| 4 | Not all | 8822 |
37.8%
|
| Sysmiss | 1073 |