| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 121 |
7.1%
|
| 2 | Good | 737 |
43.5%
|
| 3 | Fair | 562 |
33.2%
|
| 4 | Poor | 148 |
8.7%
|
| 5 | Very poor | 52 |
3.1%
|
| 6 | DK | 73 |
4.3%
|
| Sysmiss | 287 |