| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 98 |
0.4%
|
| 2 | Monthly | 184 |
0.8%
|
| 3 | Yearly | 763 |
3.2%
|
| 4 | Not all | 22709 |
95.6%
|
| Sysmiss | 1058 |