| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 14 |
1.1%
|
| 1 | Upper class | 20 |
1.6%
|
| 2 | Upper middle class | 407 |
33.1%
|
| 3 | Lower middle class | 649 |
52.8%
|
| 5 | Lower class | 139 |
11.3%
|