| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1102 |
4.5%
|
| 2 | Monthly | 1044 |
4.2%
|
| 3 | Yearly | 1980 |
8%
|
| 4 | Not all | 20500 |
83.2%
|
| Sysmiss | 534 |