| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 377 |
11.1%
|
| 2 | fairly well | 1011 |
29.9%
|
| 3 | not very well | 1020 |
30.1%
|
| 4 | not at all well | 848 |
25.1%
|
| 5 | don't know | 112 |
3.3%
|
| 6 | refused | 16 |
0.5%
|