| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 58 |
5.1%
|
| 2 | Good | 297 |
26.2%
|
| 3 | Fair | 372 |
32.8%
|
| 4 | Poor | 200 |
17.6%
|
| 5 | Very poor | 144 |
12.7%
|
| 6 | DK | 63 |
5.6%
|
| Sysmiss | 846 |