| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 16 |
1.6%
|
| -1 | Don't know | 27 |
2.7%
|
| 1 | Upper class | 12 |
1.2%
|
| 2 | Upper middle class | 163 |
16.3%
|
| 3 | Lower middle class | 288 |
28.8%
|
| 4 | Working class | 394 |
39.4%
|
| 5 | Lower class | 100 |
10%
|