| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 3 |
0.3%
|
| 1 | Rather bad | 4 |
0.4%
|
| 2 | Quite bad | 31 |
3.1%
|
| 3 | Neither good, nor bad | 208 |
20.7%
|
| 4 | Quite good | 457 |
45.5%
|
| 5 | Very good | 301 |
30%
|