| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 0 |
0%
|
| 2 | Monthly | 2 |
0.4%
|
| 3 | Annually | 495 |
98.8%
|
| 8 | Don't Know | 0 |
0%
|
| 9 | Missing | 4 |
0.8%
|
| Sysmiss | 4761 |