| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 8113 |
32.4%
|
| 2 | Monthly | 4263 |
17%
|
| 3 | Yearly | 1722 |
6.9%
|
| 4 | Not all | 10947 |
43.7%
|
| Sysmiss | 69 |