| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 17 |
1.4%
|
| -1 | Don't know | 26 |
2.1%
|
| 1 | Upper class | 29 |
2.4%
|
| 2 | Upper middle class | 402 |
32.9%
|
| 3 | Lower middle class | 296 |
24.2%
|
| 4 | Working class | 404 |
33%
|
| 5 | Lower class | 49 |
4%
|