| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 701 |
2.9%
|
| 2 | Monthly | 2165 |
9%
|
| 3 | Yearly | 3124 |
13%
|
| 4 | Not all | 18107 |
75.1%
|
| Sysmiss | 392 |