| Value | Category | Cases | |
|---|---|---|---|
| 0 | Very poor | 4 |
0.3%
|
| 1 | Poor | 28 |
2.3%
|
| 2 | Fair | 115 |
9.3%
|
| 3 | Good | 571 |
46.4%
|
| 4 | Very Good | 465 |
37.8%
|
| 9 | Missing | 48 |
3.9%
|
| Sysmiss | 25 |