| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 908 |
3.9%
|
| 2 | Monthly | 1586 |
6.8%
|
| 3 | Yearly | 1267 |
5.4%
|
| 4 | Not all | 19573 |
83.9%
|
| Sysmiss | 1073 |