| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 8 |
0.7%
|
| -1 | Don't know | 20 |
1.7%
|
| 1 | Upper class | 13 |
1.1%
|
| 2 | Upper middle class | 220 |
18.3%
|
| 3 | Lower middle class | 484 |
40.3%
|
| 4 | Working class | 351 |
29.3%
|
| 5 | Lower class | 104 |
8.7%
|