| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all well | 12 |
0.7%
|
| 2 | Not very well | 157 |
9.7%
|
| 3 | Pretty well | 262 |
16.1%
|
| 4 | Very well | 1194 |
73.4%
|
| r | 1 |
0.1%
|