| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 15 |
0.1%
|
| 0 | Not at all well | 3090 |
11.2%
|
| 1 | Not very well | 8619 |
31.1%
|
| 2 | Well | 8840 |
31.9%
|
| 3 | Very well | 3793 |
13.7%
|
| 9 | Don't know | 3356 |
12.1%
|
| 998 | Refused | 0 |
0%
|