| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 12235 |
49.7%
|
| 2 | Monthly | 4261 |
17.3%
|
| 3 | Yearly | 1467 |
6%
|
| 4 | Not all | 6663 |
27.1%
|
| Sysmiss | 534 |