| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 13828 |
56.2%
|
| 2 | Monthly | 3433 |
14%
|
| 3 | Yearly | 1192 |
4.8%
|
| 4 | Not all | 6135 |
25%
|
| Sysmiss | 582 |