| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 754 |
3.1%
|
| 2 | Monthly | 7128 |
29.6%
|
| 3 | Yearly | 9933 |
41.2%
|
| 4 | Not all | 6282 |
26.1%
|
| Sysmiss | 392 |