| Value | Category | Cases | |
|---|---|---|---|
| 1 | Monthly | 336 |
78%
|
| 2 | Bi-Monthly | 21 |
4.9%
|
| 3 | Quarterly | 44 |
10.2%
|
| 4 | Semi-Annually | 7 |
1.6%
|
| 5 | Annually | 23 |
5.3%
|
| Sysmiss | 4113 |