| Value | Category | Cases | |
|---|---|---|---|
| 1 | poorest | 603 |
20%
|
| 2 | poorer | 584 |
19.4%
|
| 3 | middle | 644 |
21.3%
|
| 4 | richer | 619 |
20.5%
|
| 5 | richest | 567 |
18.8%
|