| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1299 |
5.6%
|
| 2 | Monthly | 2343 |
10%
|
| 3 | Yearly | 1562 |
6.7%
|
| 4 | Not all | 18130 |
77.7%
|
| Sysmiss | 1073 |