| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Well | 87 |
8.6%
|
| 2 | 2. Fairly well | 221 |
21.7%
|
| 3 | 3. Fairly | 488 |
48%
|
| 4 | 4. With difficulty | 221 |
21.7%
|
| Sysmiss | 1621 |