| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 434 |
4.5%
|
| 2 | Good | 1729 |
17.8%
|
| 3 | Fair | 2218 |
22.8%
|
| 4 | Bad | 1061 |
10.9%
|
| 5 | Very bad | 864 |
8.9%
|
| 6 | Don't know | 3413 |
35.1%
|