| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 318 |
9.1%
|
| 2 | fairly well | 812 |
23.2%
|
| 3 | not very well | 1057 |
30.3%
|
| 4 | not at all well | 1232 |
35.3%
|
| 5 | don't know | 69 |
2%
|
| 6 | refused | 5 |
0.1%
|