| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 561 |
2.3%
|
| 2 | Monthly | 704 |
2.9%
|
| 3 | Yearly | 531 |
2.2%
|
| 4 | Not all | 22301 |
92.5%
|
| Sysmiss | 392 |