| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 948 |
28%
|
| 2 | fairly well | 1517 |
44.8%
|
| 3 | not very well | 536 |
15.8%
|
| 4 | not at all well | 345 |
10.2%
|
| 5 | don't know | 23 |
0.7%
|
| 6 | refused | 15 |
0.4%
|