| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 104 |
4.7%
|
| 2 | fairly well | 365 |
16.6%
|
| 3 | not very well | 458 |
20.8%
|
| 4 | not at all well | 989 |
45%
|
| 5 | do not know | 284 |
12.9%
|
| 6 | refused | 0 |
0%
|