| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 96 |
3.7%
|
| -1 | Don't know | 195 |
7.5%
|
| 1 | Lower | 378 |
14.6%
|
| 2 | Middle | 1212 |
46.7%
|
| 3 | Higher | 715 |
27.5%
|