| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 25 |
1%
|
| -1 | Don't know | 9 |
0.4%
|
| 1 | Lower | 2025 |
83.9%
|
| 2 | Middle | 276 |
11.4%
|
| 3 | Higher | 80 |
3.3%
|