| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annually | 309 |
63.2%
|
| 2 | Bi-annually | 5 |
1%
|
| 3 | Fortnightly | 14 |
2.9%
|
| 4 | Monthly | 148 |
30.3%
|
| 5 | Quarterly | 13 |
2.7%
|
| Missing value | 4166 |