| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1096 |
4.4%
|
| 2 | Monthly | 1424 |
5.7%
|
| 3 | Yearly | 1823 |
7.3%
|
| 4 | Not all | 20702 |
82.7%
|
| Sysmiss | 69 |