| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 496 |
14.7%
|
| 2 | fairly well | 1478 |
43.7%
|
| 3 | not very well | 887 |
26.2%
|
| 4 | not at all well | 489 |
14.5%
|
| 5 | don't know | 19 |
0.6%
|
| 6 | refused | 15 |
0.4%
|