| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 25 |
2.1%
|
| 1 | Weekly | 4 |
0.3%
|
| 2 | Bi-Weekly | 4 |
0.3%
|
| 3 | Monthly | 146 |
12.1%
|
| 4 | Annually | 1025 |
85.1%
|
| Sysmiss | 1945 |