| Value | Category | Cases | |
|---|---|---|---|
| 1 | Wealthy | 170 |
5.4%
|
| 2 | middle | 2077 |
66.5%
|
| 3 | Poor | 610 |
19.5%
|
| 4 | very poor | 248 |
7.9%
|
| Sysmiss | 17 |