| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing | 2 |
1%
|
| -2 | Don't know | 0 |
0%
|
| -1 | Refusal | 0 |
0%
|
| 1 | Very poor | 1 |
0.5%
|
| 2 | 2 | 9 |
4.5%
|
| 3 | 3 | 73 |
36.5%
|
| 4 | 4 | 95 |
47.5%
|
| 5 | Very good | 20 |
10%
|