| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 366 |
10.5%
|
| 2 | fairly well | 907 |
26%
|
| 3 | not very well | 808 |
23.1%
|
| 4 | not at all well | 832 |
23.8%
|
| 5 | don't know | 574 |
16.4%
|
| 6 | refused | 6 |
0.2%
|