| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 804 |
23.8%
|
| 2 | fairly well | 1334 |
39.4%
|
| 3 | not very well | 622 |
18.4%
|
| 4 | not at all well | 403 |
11.9%
|
| 5 | don't know | 205 |
6.1%
|
| 6 | refused | 16 |
0.5%
|