| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 121 |
0.5%
|
| 2 | Monthly | 343 |
1.5%
|
| 3 | Yearly | 1734 |
7.4%
|
| 4 | Not all | 21136 |
90.6%
|
| Sysmiss | 1073 |