| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 154 |
12.8%
|
| 1 | Very good | 136 |
11.3%
|
| 2 | Fairly good | 394 |
32.8%
|
| 3 | Fairly bad | 345 |
28.7%
|
| 4 | Very bad | 174 |
14.5%
|