| Value | Category | Cases | |
|---|---|---|---|
| 1 | LOW INCOME | 148 |
8.9%
|
| 2 | MIDDLE INCOME | 169 |
10.2%
|
| 3 | UPPER INCOME | 506 |
30.5%
|
| 9 | DONT KNOW | 835 |
50.4%
|
| Sysmiss | 1130 |