| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 123 |
31.5%
|
| 2 | Monthly | 51 |
13.1%
|
| 3 | Quarterly | 107 |
27.4%
|
| 4 | Half yearly | 108 |
27.7%
|
| 5 | Yearly | 1 |
0.3%
|
| Sysmiss | 152 |