| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 111 |
4.3%
|
| 2 | Bi-weekly | 237 |
9.2%
|
| 3 | Monthly | 2053 |
79.6%
|
| 4 | Every 6 months | 45 |
1.7%
|
| 555 | Other, specify | 132 |
5.1%
|
| Sysmiss | 3128 |