| Value | Category | Cases | |
|---|---|---|---|
| 1 | GRADE 1 | 554 | 
                                    
                                    10.1%
                                 | 
| 2 | GRADE 2 | 1749 | 
                                    
                                    31.9%
                                 | 
| 3 | GRADE 3 | 87 | 
                                    
                                    1.6%
                                 | 
| 4 | GRADE 4 | 1150 | 
                                    
                                    21%
                                 | 
| 5 | GRADE 5 | 137 | 
                                    
                                    2.5%
                                 | 
| 6 | GRADE 6 | 294 | 
                                    
                                    5.4%
                                 | 
| 7 | GRADE 7 | 206 | 
                                    
                                    3.8%
                                 | 
| 8 | GRADE 8 | 231 | 
                                    
                                    4.2%
                                 | 
| 9 | GRADE 9 | 530 | 
                                    
                                    9.7%
                                 | 
| 10 | GRADE10 | 427 | 
                                    
                                    7.8%
                                 | 
| 12 | GRADE12 | 3 | 
                                    
                                    0.1%
                                 | 
| 13 | GRADE13 | 1 | 
                                    
                                    0%
                                 | 
| 14 | GRADE14 | 8 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 102 | 
                                    
                                    1.9%
                                 |