| Value | Category | Cases | |
|---|---|---|---|
| 1 | WEEKLY | 4 |
9.8%
|
| 2 | BI-WEEKLY | 0 |
0%
|
| 3 | MONTHLY | 18 |
43.9%
|
| 4 | ANNUALLY | 19 |
46.3%
|
| 99 | Other (specify) | 0 |
0%
|
| Sysmiss | 935 |