| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 471 |
1.9%
|
| 2 | Monthly | 3055 |
12.4%
|
| 3 | Yearly | 2206 |
9%
|
| 4 | Not all | 18856 |
76.7%
|
| Sysmiss | 582 |