| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 2951 |
11.8%
|
| 2 | Monthly | 3833 |
15.3%
|
| 3 | Yearly | 4263 |
17%
|
| 4 | Not all | 13998 |
55.9%
|
| Sysmiss | 69 |