| Value | Category | Cases | |
|---|---|---|---|
| 1 | Monthly | 6 |
85.7%
|
| 2 | Quarterly | 0 |
0%
|
| 3 | Annually | 0 |
0%
|
| 4 | One off | 1 |
14.3%
|
| Sysmiss | 1846 |