| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annually | 276 |
69.2%
|
| 2 | Bi-annually | 53 |
13.3%
|
| 3 | Fortnightly | 2 |
0.5%
|
| 4 | Monthly | 30 |
7.5%
|
| 5 | Quarterly | 37 |
9.3%
|
| 6 | Weekly | 1 |
0.3%
|
| Missing value | 1402 |