| Value | Category | Cases | |
|---|---|---|---|
| 1 | LOW INCOME | 161 |
9.7%
|
| 2 | MIDDLE INCOME | 251 |
15.2%
|
| 3 | UPPER INCOME | 513 |
31%
|
| 9 | DONT KNOW | 728 |
44%
|
| Sysmiss | 1135 |