| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annually | 2 |
0.1%
|
| 2 | Bi-annually | 9 |
0.7%
|
| 3 | Fortnightly | 183 |
13.6%
|
| 4 | Monthly | 909 |
67.4%
|
| 5 | Quarterly | 190 |
14.1%
|
| 6 | Weekly | 21 |
1.6%
|
| Missing value | 35 |
2.6%
|