| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 |
0.1%
|
| 1 | Very good | 157 |
12.9%
|
| 2 | Good | 312 |
25.7%
|
| 3 | Fair | 478 |
39.3%
|
| 4 | Poor | 178 |
14.7%
|
| 5 | Very poor | 89 |
7.3%
|