| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 375 |
1.5%
|
| 2 | Monthly | 2335 |
9.5%
|
| 3 | Yearly | 6482 |
26.3%
|
| 4 | Not all | 15434 |
62.7%
|
| Sysmiss | 534 |