| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1070 |
4.3%
|
| 2 | Monthly | 6115 |
24.8%
|
| 3 | Yearly | 6112 |
24.8%
|
| 4 | Not all | 11329 |
46%
|
| Sysmiss | 534 |