| Value | Category | Cases | |
|---|---|---|---|
| 1 | Well | 30 |
3.4%
|
| 2 | Fairly well | 261 |
29.2%
|
| 3 | Fairly | 403 |
45.1%
|
| 4 | With difficulty | 199 |
22.3%
|
| a | 1 |
0.1%
|