| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 625 |
17.9%
|
| 2 | fairly well | 1205 |
34.5%
|
| 3 | not very well | 946 |
27.1%
|
| 4 | not at all well | 669 |
19.2%
|
| 5 | don't know | 43 |
1.2%
|
| 6 | refused | 5 |
0.1%
|