| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 7 |
0.5%
|
| -1 | Don't know | 25 |
1.6%
|
| 1 | Rather bad | 82 |
5.4%
|
| 2 | Quite bad | 384 |
25.1%
|
| 3 | Neither good, nor bad | 619 |
40.5%
|
| 4 | Quite good | 368 |
24.1%
|
| 5 | Very good | 43 |
2.8%
|