| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annually | 55 |
33.3%
|
| 2 | Bi-annually | 40 |
24.2%
|
| 3 | Fortnightly | 5 |
3%
|
| 4 | Monthly | 19 |
11.5%
|
| 5 | Quarterly | 26 |
15.8%
|
| 6 | Weekly | 20 |
12.1%
|
| Missing value | 1636 |