| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annually | 16 |
0.4%
|
| 2 | Bi-annually | 69 |
1.7%
|
| 3 | Fortnightly | 2 |
0%
|
| 4 | Monthly | 2986 |
74.2%
|
| 5 | Quarterly | 424 |
10.5%
|
| Missing value | 528 |
13.1%
|