| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 630 |
2.6%
|
| 2 | Monthly | 2414 |
10%
|
| 3 | Yearly | 12454 |
51.7%
|
| 4 | Not all | 8599 |
35.7%
|
| Sysmiss | 392 |