| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 2536 |
10.1%
|
| 2 | Monthly | 1301 |
5.2%
|
| 3 | Yearly | 1439 |
5.7%
|
| 4 | Not all | 19769 |
78.9%
|
| Sysmiss | 69 |