| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 20 |
1.6%
|
| 1 | Rather bad | 215 |
17.5%
|
| 2 | Quite bad | 272 |
22.1%
|
| 3 | Neither good, nor bad | 270 |
22%
|
| 4 | Quite good | 359 |
29.2%
|
| 5 | Very good | 94 |
7.6%
|