| Value | Category | Cases | |
|---|---|---|---|
| 1 | rich | 7 |
0.1%
|
| 2 | over middle | 476 |
3.7%
|
| 3 | middle | 5045 |
39.2%
|
| 4 | below middle | 5437 |
42.3%
|
| 5 | poor | 1616 |
12.6%
|
| 6 | very poor | 277 |
2.2%
|
| Sysmiss | 7126 |