| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 11024 |
46.4%
|
| 2 | Monthly | 4478 |
18.9%
|
| 3 | Yearly | 2213 |
9.3%
|
| 4 | Not all | 6039 |
25.4%
|
| Sysmiss | 1058 |