| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 5228 |
21.2%
|
| 2 | Monthly | 1562 |
6.3%
|
| 3 | Yearly | 1162 |
4.7%
|
| 4 | Not all | 16674 |
67.7%
|
| Sysmiss | 534 |