| Value | Category | Cases | |
|---|---|---|---|
| 1 | Poorest 20% | 178 |
17.8%
|
| 2 | Second 20% | 181 |
18.1%
|
| 3 | Middle 20% | 187 |
18.7%
|
| 4 | Fourth 20% | 227 |
22.7%
|
| 5 | Richest 20% | 227 |
22.7%
|