| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Well | 72 |
7.5%
|
| 2 | 2. Fairly well | 204 |
21.2%
|
| 3 | 3. Fairly | 510 |
52.9%
|
| 4 | 4. With difficulty | 178 |
18.5%
|
| Sysmiss | 1579 |