| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 942 |
27.8%
|
| 2 | fairly well | 1159 |
34.2%
|
| 3 | not very well | 699 |
20.7%
|
| 4 | not at all well | 546 |
16.1%
|
| 5 | don't know | 22 |
0.7%
|
| 6 | refused | 16 |
0.5%
|