| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 5 |
0.3%
|
| 1 | Rather bad | 121 |
7.4%
|
| 2 | Quite bad | 463 |
28.3%
|
| 3 | Neither good, nor bad | 855 |
52.2%
|
| 4 | Quite good | 169 |
10.3%
|
| 5 | Very good | 25 |
1.5%
|