| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1234 |
5.1%
|
| 2 | Monthly | 906 |
3.8%
|
| 3 | Yearly | 1520 |
6.3%
|
| 4 | Not all | 20437 |
84.8%
|
| Sysmiss | 392 |