| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 370 |
1.5%
|
| 2 | Monthly | 835 |
3.4%
|
| 3 | Yearly | 5925 |
24.1%
|
| 4 | Not all | 17496 |
71%
|
| Sysmiss | 534 |