| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all well | 59 |
3.6%
|
| 2 | Not very well | 201 |
12.4%
|
| 3 | Pretty well | 267 |
16.4%
|
| 4 | Very well | 1097 |
67.5%
|
| r | 2 |
0.1%
|