| Value | Category | Cases | |
|---|---|---|---|
| 1 | LOW INCOME | 335 |
20.7%
|
| 2 | MIDDLE INCOME | 158 |
9.7%
|
| 3 | UPPER INCOME | 436 |
26.9%
|
| 9 | DONT KNOW | 693 |
42.7%
|
| Sysmiss | 1166 |