| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 471 |
5%
|
| 2 | Good | 1412 |
14.8%
|
| 3 | Fair | 2068 |
21.7%
|
| 4 | Bad | 1215 |
12.8%
|
| 5 | Very bad | 750 |
7.9%
|
| 6 | Don't know | 3595 |
37.8%
|