| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 437 |
12.9%
|
| 2 | fairly well | 1154 |
34.1%
|
| 3 | not very well | 857 |
25.3%
|
| 4 | not at all well | 717 |
21.2%
|
| 5 | don't know | 203 |
6%
|
| 6 | refused | 16 |
0.5%
|