| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 2 |
0.2%
|
| 1 | Upper class | 10 |
0.8%
|
| 2 | Upper middle class | 154 |
12.8%
|
| 3 | Lower middle class | 483 |
40.1%
|
| 4 | Working class | 285 |
23.7%
|
| 5 | Lower class | 269 |
22.4%
|