| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1020 |
4.4%
|
| 2 | Monthly | 1021 |
4.4%
|
| 3 | Yearly | 755 |
3.2%
|
| 4 | Not all | 20538 |
88%
|
| Sysmiss | 1073 |