| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 584 |
16.7%
|
| 2 | fairly well | 1339 |
38.3%
|
| 3 | not very well | 880 |
25.2%
|
| 4 | not at all well | 576 |
16.5%
|
| 5 | don't know | 109 |
3.1%
|
| 6 | refused | 5 |
0.1%
|