| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 1 | Very badly | 342 |
14.3%
|
| 2 | Fairly badly | 725 |
30.4%
|
| 3 | Fairly well | 883 |
37%
|
| 4 | Very well | 283 |
11.9%
|
| 9 | Don't know | 151 |
6.3%
|