| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 1177 |
6.1%
|
| 2 | Good | 3725 |
19.3%
|
| 3 | Fair | 5661 |
29.3%
|
| 4 | Bad | 2049 |
10.6%
|
| 5 | Very bad | 1067 |
5.5%
|
| 6 | Don't know | 5622 |
29.1%
|