| Value | Category | Cases | |
|---|---|---|---|
| 1 | rich | 9 |
0.1%
|
| 2 | over middle | 405 |
3.1%
|
| 3 | middle | 4923 |
37.1%
|
| 4 | below middle | 5939 |
44.8%
|
| 5 | poor | 1813 |
13.7%
|
| 6 | very poor | 180 |
1.4%
|
| Sysmiss | 6006 |