| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 141 |
0.6%
|
| 2 | Monthly | 408 |
1.6%
|
| 3 | Yearly | 1673 |
6.7%
|
| 4 | Not all | 22823 |
91.1%
|
| Sysmiss | 69 |