| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annually | 10 |
0.7%
|
| 2 | Bi-annually | 9 |
0.7%
|
| 3 | Fortnightly | 1 |
0.1%
|
| 4 | Monthly | 1037 |
76.9%
|
| 5 | Quarterly | 72 |
5.3%
|
| Missing value | 220 |
16.3%
|