| Value | Category | Cases | |
|---|---|---|---|
| 1 | rich | 19 |
0.1%
|
| 2 | over middle | 548 |
4.3%
|
| 3 | middle | 4977 |
38.7%
|
| 4 | below middle | 5161 |
40.2%
|
| 5 | poor | 1784 |
13.9%
|
| 6 | very poor | 362 |
2.8%
|
| Sysmiss | 6980 |