| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 455 |
4.7%
|
| 2 | Good | 1583 |
16.3%
|
| 3 | Fair | 2554 |
26.2%
|
| 4 | Bad | 1094 |
11.2%
|
| 5 | Very bad | 666 |
6.8%
|
| 6 | Don't know | 3384 |
34.8%
|