| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 150 |
12.5%
|
| 1 | Very good | 120 |
10%
|
| 2 | Fairly good | 290 |
24.1%
|
| 3 | Fairly bad | 357 |
29.7%
|
| 4 | Very bad | 286 |
23.8%
|