| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 612 |
2.5%
|
| 2 | Monthly | 2471 |
10%
|
| 3 | Yearly | 13420 |
54.5%
|
| 4 | Not all | 8123 |
33%
|
| Sysmiss | 534 |