| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 135 |
0.6%
|
| 2 | Monthly | 710 |
3%
|
| 3 | Yearly | 2196 |
9.2%
|
| 4 | Not all | 20713 |
87.2%
|
| Sysmiss | 1058 |