| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 35 |
1.9%
|
| -1 | Don't know | 117 |
6.5%
|
| 1 | Upper class | 22 |
1.2%
|
| 2 | Upper middle class | 324 |
17.9%
|
| 3 | Lower middle class | 574 |
31.7%
|
| 4 | Working class | 630 |
34.8%
|
| 5 | Lower class | 108 |
6%
|