| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 19 |
1.5%
|
| -1 | Don't know | 104 |
8.3%
|
| 1 | Rather bad | 121 |
9.6%
|
| 2 | Quite bad | 251 |
20%
|
| 3 | Neither good, nor bad | 607 |
48.3%
|
| 4 | Quite good | 122 |
9.7%
|
| 5 | Very good | 33 |
2.6%
|