| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annually | 398 |
8.1%
|
| 2 | Bi-annually | 137 |
2.8%
|
| 3 | Fortnightly | 28 |
0.6%
|
| 4 | Monthly | 269 |
5.5%
|
| 5 | Quarterly | 293 |
6%
|
| 6 | Weekly | 47 |
1%
|
| Missing value | 3733 |
76.1%
|