| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 58 |
5.1%
|
| 2 | Good | 292 |
25.7%
|
| 3 | Fair | 423 |
37.3%
|
| 4 | Poor | 200 |
17.6%
|
| 5 | Very poor | 126 |
11.1%
|
| 6 | DK | 36 |
3.2%
|
| Sysmiss | 845 |