| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 4542 |
19.5%
|
| 2 | Monthly | 2113 |
9.1%
|
| 3 | Yearly | 820 |
3.5%
|
| 4 | Not all | 15859 |
68%
|
| Sysmiss | 1073 |