| Value | Category | Cases | |
|---|---|---|---|
| -9 | 455 |
42.6%
|
|
| 1 | Satisfactory | 297 |
27.8%
|
| 2 | Good | 302 |
28.3%
|
| 3 | Average | 11 |
1%
|
| 4 | Poor | 1 |
0.1%
|
| 5 | Very Poor | 2 |
0.2%
|