| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 889 |
26.3%
|
| 2 | fairly well | 1674 |
49.5%
|
| 3 | not very well | 517 |
15.3%
|
| 4 | not at all well | 206 |
6.1%
|
| 5 | don't know | 83 |
2.5%
|
| 6 | refused | 15 |
0.4%
|