| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 4 |
0.8%
|
| 2 | Bi-weekly | 0 |
0%
|
| 3 | Monthly | 221 |
45.7%
|
| 4 | Quarterly | 3 |
0.6%
|
| 5 | Annually | 154 |
31.8%
|
| 6 | Every two years | 102 |
21.1%
|
| Sysmiss | 522 |