| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 899 |
25.7%
|
| 2 | fairly well | 1345 |
38.5%
|
| 3 | not very well | 623 |
17.8%
|
| 4 | not at all well | 471 |
13.5%
|
| 5 | don't know | 150 |
4.3%
|
| 6 | refused | 5 |
0.1%
|