| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all well | 53 |
3.3%
|
| 2 | Not very well | 170 |
10.5%
|
| 3 | Pretty well | 325 |
20%
|
| 4 | Very well | 1077 |
66.2%
|
| r | 1 |
0.1%
|