| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing | 0 |
0%
|
| -2 | Don't know | 0 |
0%
|
| -1 | Refusal | 0 |
0%
|
| 1 | Very poor | 3 |
1.5%
|
| 2 | 2 | 3 |
1.5%
|
| 3 | 3 | 31 |
15.5%
|
| 4 | 4 | 114 |
57%
|
| 5 | Very good | 49 |
24.5%
|