| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 247 |
1%
|
| 2 | Monthly | 1110 |
4.4%
|
| 3 | Yearly | 4961 |
19.8%
|
| 4 | Not all | 18727 |
74.8%
|
| Sysmiss | 69 |