| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 10741 |
43.6%
|
| 2 | Monthly | 4810 |
19.5%
|
| 3 | Yearly | 2576 |
10.5%
|
| 4 | Not all | 6499 |
26.4%
|
| Sysmiss | 534 |