| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annually | 68 |
5%
|
| 2 | Bi-annually | 20 |
1.5%
|
| 3 | Fortnightly | 1 |
0.1%
|
| 4 | Monthly | 13 |
1%
|
| 5 | Quarterly | 23 |
1.7%
|
| 6 | Weekly | 1 |
0.1%
|
| Missing value | 1223 |
90.7%
|