| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annually | 68 |
1.4%
|
| 2 | Bi-annually | 18 |
0.4%
|
| 3 | Fortnightly | 1 |
0%
|
| 4 | Monthly | 19 |
0.4%
|
| 5 | Quarterly | 14 |
0.3%
|
| Missing value | 4785 |
97.6%
|