| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 25 |
1.8%
|
| -1 | Don't know | 47 |
3.5%
|
| 1 | Upper class | 20 |
1.5%
|
| 2 | Upper middle class | 203 |
15%
|
| 3 | Lower middle class | 571 |
42.2%
|
| 4 | Working class | 357 |
26.4%
|
| 5 | Lower class | 130 |
9.6%
|