| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Well | 55 |
5.2%
|
| 2 | 2. Fairly well | 231 |
21.8%
|
| 3 | 3. Fairly | 482 |
45.5%
|
| 4 | 4. With difficulty | 292 |
27.5%
|
| Sysmiss | 1627 |