| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 774 |
3.1%
|
| 2 | Monthly | 7173 |
28.6%
|
| 3 | Yearly | 10313 |
41.2%
|
| 4 | Not all | 6785 |
27.1%
|
| Sysmiss | 69 |