| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 172 |
18.8%
|
| 2 | Monthly | 657 |
71.7%
|
| 3 | Every two months | 16 |
1.7%
|
| 4 | Every three months | 10 |
1.1%
|
| 99 | Other (Specify) | 61 |
6.7%
|
| Sysmiss | 15 |