| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1276 |
5.2%
|
| 2 | Monthly | 9178 |
37.3%
|
| 3 | Yearly | 2425 |
9.9%
|
| 4 | Not all | 11709 |
47.6%
|
| Sysmiss | 582 |