| Value | Category | Cases | |
|---|---|---|---|
| 1 | Well | 33 |
3.6%
|
| 2 | Fairly well | 275 |
30.4%
|
| 3 | Fairly | 421 |
46.5%
|
| 4 | With difficulty | 176 |
19.4%
|
| a | 1 |
0.1%
|