| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 491 |
14.1%
|
| 2 | fairly well | 1279 |
36.6%
|
| 3 | not very well | 931 |
26.7%
|
| 4 | not at all well | 565 |
16.2%
|
| 5 | don't know | 215 |
6.2%
|
| 6 | refused | 12 |
0.3%
|