| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1025 |
4.1%
|
| 2 | Monthly | 2492 |
10%
|
| 3 | Yearly | 8693 |
34.7%
|
| 4 | Not all | 12835 |
51.2%
|
| Sysmiss | 69 |