| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all well | 37 |
2.3%
|
| 2 | Not very well | 194 |
11.9%
|
| 3 | Pretty well | 431 |
26.5%
|
| 4 | Very well | 962 |
59.2%
|
| r | 2 |
0.1%
|