| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 760 |
22.5%
|
| 2 | fairly well | 1313 |
38.8%
|
| 3 | not very well | 699 |
20.7%
|
| 4 | not at all well | 402 |
11.9%
|
| 5 | don't know | 194 |
5.7%
|
| 6 | refused | 16 |
0.5%
|