| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all well | 43 |
2.6%
|
| 2 | Not very well | 218 |
13.4%
|
| 3 | Pretty well | 432 |
26.6%
|
| 4 | Very well | 932 |
57.3%
|
| r | 1 |
0.1%
|