| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 2995 |
12%
|
| 2 | Monthly | 8844 |
35.3%
|
| 3 | Yearly | 5883 |
23.5%
|
| 4 | Not all | 7323 |
29.2%
|
| Sysmiss | 69 |