| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 21 |
1.9%
|
| 2 | Good | 177 |
15.6%
|
| 3 | Fair | 302 |
26.6%
|
| 4 | Poor | 289 |
25.5%
|
| 5 | Very poor | 222 |
19.6%
|
| 6 | DK | 123 |
10.8%
|
| Sysmiss | 846 |