| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 2050 |
8.6%
|
| 2 | Monthly | 1343 |
5.7%
|
| 3 | Yearly | 1197 |
5%
|
| 4 | Not all | 19164 |
80.7%
|
| Sysmiss | 1058 |