| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 756 |
3.2%
|
| 2 | Monthly | 1427 |
6%
|
| 3 | Yearly | 1124 |
4.7%
|
| 4 | Not all | 20447 |
86.1%
|
| Sysmiss | 1058 |