| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 4 |
0.9%
|
| 2 | Monthly | 146 |
31.1%
|
| 3 | Quarterly | 180 |
38.4%
|
| 4 | Annually | 139 |
29.6%
|
| Sysmiss | 12312 |