| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 2453 |
10.5%
|
| 2 | Monthly | 818 |
3.5%
|
| 3 | Yearly | 655 |
2.8%
|
| 4 | Not all | 19408 |
83.2%
|
| Sysmiss | 1073 |