| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 18 |
1.5%
|
| 1 | Rather bad | 170 |
13.8%
|
| 2 | Quite bad | 326 |
26.5%
|
| 3 | Neither good, nor bad | 608 |
49.5%
|
| 4 | Quite good | 33 |
2.7%
|
| 5 | Very good | 74 |
6%
|