| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 1 |
0.7%
|
| 1 | Weekly | 1 |
0.7%
|
| 2 | Bi-Weekly | 0 |
0%
|
| 3 | Monthly | 101 |
70.6%
|
| 4 | Annually | 40 |
28%
|
| Sysmiss | 3006 |