| Value | Category | Cases | |
|---|---|---|---|
| 1 | Poor | 12582 |
12.4%
|
| 2 | Poor/mid | 16200 |
15.9%
|
| 3 | Mid | 19872 |
19.5%
|
| 4 | Mid/upper | 23598 |
23.2%
|
| 5 | Upper | 29565 |
29%
|