| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 211 |
6%
|
| 2 | fairly well | 825 |
23.6%
|
| 3 | not very well | 1278 |
36.6%
|
| 4 | not at all well | 1093 |
31.3%
|
| 5 | don't know | 81 |
2.3%
|
| 6 | refused | 5 |
0.1%
|