| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 |
0.1%
|
| 1 | Very good | 535 |
43.5%
|
| 2 | Good | 530 |
43.1%
|
| 3 | Fair | 129 |
10.5%
|
| 4 | Poor | 30 |
2.4%
|
| 5 | Very poor | 5 |
0.4%
|