| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all well | 71 |
4.4%
|
| 2 | Not very well | 179 |
11%
|
| 3 | Pretty well | 479 |
29.5%
|
| 4 | Very well | 896 |
55.1%
|
| r | 1 |
0.1%
|