| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 |
0.1%
|
| 1 | Upper class | 33 |
2.8%
|
| 2 | Upper middle class | 225 |
18.8%
|
| 3 | Lower middle class | 512 |
42.7%
|
| 4 | Working class | 170 |
14.2%
|
| 5 | Lower class | 259 |
21.6%
|