| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 78 |
4.6%
|
| 2 | Good | 373 |
22%
|
| 3 | Fair | 414 |
24.5%
|
| 4 | Poor | 478 |
28.2%
|
| 5 | Very poor | 330 |
19.5%
|
| 6 | DK | 20 |
1.2%
|
| Sysmiss | 287 |