| Value | Category | Cases | |
|---|---|---|---|
| 1 | Monthly | 1975 |
71.6%
|
| 2 | Every two (2) months | 288 |
10.4%
|
| 3 | Every three (3) months | 457 |
16.6%
|
| 4 | Every six (6) months | 19 |
0.7%
|
| 5 | Other (Specify) | 4 |
0.1%
|
| 6 | Not applicable | 14 |
0.5%
|
| Sysmiss | 9494 |