| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 628 |
18.6%
|
| 2 | fairly well | 1278 |
37.8%
|
| 3 | not very well | 816 |
24.1%
|
| 4 | not at all well | 485 |
14.3%
|
| 5 | don't know | 162 |
4.8%
|
| 6 | refused | 15 |
0.4%
|