| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 3437 |
14.3%
|
| 2 | Monthly | 7464 |
31%
|
| 3 | Yearly | 3986 |
16.5%
|
| 4 | Not all | 9210 |
38.2%
|
| Sysmiss | 392 |