| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 8 |
0.7%
|
| 1 | Rather bad | 37 |
3.3%
|
| 2 | Quite bad | 72 |
6.4%
|
| 3 | Neither good, nor bad | 548 |
48.6%
|
| 4 | Quite good | 314 |
27.9%
|
| 5 | Very good | 148 |
13.1%
|