| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1103 |
4.5%
|
| 2 | Monthly | 5385 |
21.9%
|
| 3 | Yearly | 4476 |
18.2%
|
| 4 | Not all | 13624 |
55.4%
|
| Sysmiss | 582 |