| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.4%
|
| -1 | Don't know | 38 |
3.1%
|
| 1 | Rather bad | 69 |
5.6%
|
| 2 | Quite bad | 101 |
8.3%
|
| 3 | Neither good, nor bad | 506 |
41.4%
|
| 4 | Quite good | 392 |
32.1%
|
| 5 | Very good | 112 |
9.2%
|