| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 112 |
0.5%
|
| 2 | Monthly | 360 |
1.5%
|
| 3 | Yearly | 1480 |
6.3%
|
| 4 | Not all | 21382 |
91.6%
|
| Sysmiss | 1073 |