| Value | Category | Cases | |
|---|---|---|---|
| 1 | LOW INCOME | 180 |
10.8%
|
| 2 | MIDDLE INCOME | 187 |
11.2%
|
| 3 | UPPER INCOME | 585 |
35.1%
|
| 9 | DONT KNOW | 715 |
42.9%
|
| Sysmiss | 1121 |