| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 949 |
3.9%
|
| 2 | Monthly | 2413 |
10%
|
| 3 | Yearly | 8215 |
34.1%
|
| 4 | Not all | 12520 |
52%
|
| Sysmiss | 392 |