| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 |
0.1%
|
| 1 | Very good | 395 |
30.1%
|
| 2 | Fairly good | 618 |
47.1%
|
| 3 | Fairly bad | 224 |
17.1%
|
| 4 | Very bad | 75 |
5.7%
|