| Value | Category | Cases | |
|---|---|---|---|
| -98 | Don't know | 4 |
0.2%
|
| 1 | Very well | 456 |
24.3%
|
| 2 | Well | 1303 |
69.5%
|
| 3 | Not well | 113 |
6%
|
| 4 | Not at all well | 0 | |
| a | Not applicable | 0 | |
| b | Don't know | 0 | |
| c | Refused to respond | 0 |