| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1130 |
4.8%
|
| 2 | Monthly | 632 |
2.7%
|
| 3 | Yearly | 820 |
3.5%
|
| 4 | Not all | 20752 |
88.9%
|
| Sysmiss | 1073 |