| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1164 |
4.9%
|
| 2 | Monthly | 9151 |
38.5%
|
| 3 | Yearly | 2205 |
9.3%
|
| 4 | Not all | 11234 |
47.3%
|
| Sysmiss | 1058 |