| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 |
0.1%
|
| 1 | Very good | 139 |
11.4%
|
| 2 | Good | 303 |
24.8%
|
| 3 | Fair | 595 |
48.7%
|
| 4 | Poor | 107 |
8.7%
|
| 5 | Very poor | 78 |
6.4%
|