| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 9455 |
38.4%
|
| 2 | Monthly | 6945 |
28.2%
|
| 3 | Yearly | 1971 |
8%
|
| 4 | Not all | 6255 |
25.4%
|
| Sysmiss | 534 |