| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all well | 38 |
2.3%
|
| 2 | Not very well | 128 |
7.9%
|
| 3 | Pretty well | 434 |
26.7%
|
| 4 | Very well | 1024 |
63%
|
| r | 2 |
0.1%
|