| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annually | 3 |
0.2%
|
| 2 | Bi-annually | 8 |
0.5%
|
| 3 | Fortnightly | 249 |
14.3%
|
| 4 | Monthly | 1266 |
72.6%
|
| 5 | Quarterly | 207 |
11.9%
|
| 6 | Weekly | 12 |
0.7%
|
| Missing value | 56 |