| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Well | 81 |
6.5%
|
| 2 | 2. Fairly well | 242 |
19.4%
|
| 3 | 3. Fairly | 518 |
41.5%
|
| 4 | 4. With difficulty | 408 |
32.7%
|
| Sysmiss | 1494 |