| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 110 |
5%
|
| 2 | fairly well | 490 |
22.3%
|
| 3 | not very well | 451 |
20.5%
|
| 4 | not at all well | 709 |
32.2%
|
| 5 | do not know | 440 |
20%
|
| 6 | refused | 0 |
0%
|