| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 3 |
0.3%
|
| 2 | Monthly | 46 |
5%
|
| 3 | Yearly | 426 |
45.9%
|
| 4 | Not all | 453 |
48.8%
|
| Sysmiss | 71 |