| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 2011 |
8.3%
|
| 2 | Monthly | 2731 |
11.3%
|
| 3 | Yearly | 1603 |
6.7%
|
| 4 | Not all | 17752 |
73.7%
|
| Sysmiss | 392 |