| Value | Category | Cases | |
|---|---|---|---|
| 0 | Poor | 21 |
18.9%
|
| 1 | Average | 22 |
19.8%
|
| 2 | Good | 32 |
28.8%
|
| 3 | Excellent | 30 |
27%
|
| 99 | Not applicable | 6 |
5.4%
|
| Sysmiss | 571 |