| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 161 |
4.8%
|
| 2 | fairly well | 585 |
17.3%
|
| 3 | not very well | 1304 |
38.5%
|
| 4 | not at all well | 1308 |
38.7%
|
| 5 | don't know | 11 |
0.3%
|
| 6 | refused | 15 |
0.4%
|