| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 24 |
2.2%
|
| 2 | Good | 143 |
13.3%
|
| 3 | Fair | 269 |
25%
|
| 4 | Poor | 247 |
23%
|
| 5 | Very poor | 169 |
15.7%
|
| 6 | DK | 224 |
20.8%
|
| Sysmiss | 904 |