| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 1506 |
43.1%
|
| 2 | fairly well | 1174 |
33.6%
|
| 3 | not very well | 436 |
12.5%
|
| 4 | not at all well | 296 |
8.5%
|
| 5 | don't know | 72 |
2.1%
|
| 6 | refused | 9 |
0.3%
|