| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 353 |
1.4%
|
| 2 | Monthly | 721 |
2.9%
|
| 3 | Yearly | 5257 |
21%
|
| 4 | Not all | 18714 |
74.7%
|
| Sysmiss | 69 |