| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 362 |
1.5%
|
| 2 | Monthly | 787 |
3.2%
|
| 3 | Yearly | 2291 |
9.3%
|
| 4 | Not all | 21148 |
86%
|
| Sysmiss | 582 |