| Value | Category | Cases | |
|---|---|---|---|
| 1 | Monthly | 13949 |
33.9%
|
| 2 | Quarterly | 13959 |
33.9%
|
| 3 | Bi-quarterly | 2350 |
5.7%
|
| 4 | Half yearly | 4434 |
10.8%
|
| 5 | Yearly | 3099 |
7.5%
|
| 6 | Other (specify) | 3400 |
8.3%
|
| Sysmiss | 20019 |