| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 977 |
28%
|
| 2 | fairly well | 1260 |
36.1%
|
| 3 | not very well | 481 |
13.8%
|
| 4 | not at all well | 408 |
11.7%
|
| 5 | don't know | 353 |
10.1%
|
| 6 | refused | 14 |
0.4%
|