| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all well | 165 |
10.1%
|
| 2 | Not very well | 83 |
5.1%
|
| 3 | Pretty well | 256 |
15.7%
|
| 4 | Very well | 1121 |
68.9%
|
| r | 1 |
0.1%
|