| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 9488 |
38.6%
|
| 2 | Monthly | 6798 |
27.6%
|
| 3 | Yearly | 1715 |
7%
|
| 4 | Not all | 6587 |
26.8%
|
| Sysmiss | 582 |