| Value | Category | Cases | |
|---|---|---|---|
| 1 | I | 25659 | 
                                                                 
                                    
                                    20.7%
                                 
                                                             | 
                                                        
                    
| 2 | II | 41700 | 
                                                                 
                                    
                                    33.6%
                                 
                                                             | 
                                                        
                    
| 3 | III | 34210 | 
                                                                 
                                    
                                    27.6%
                                 
                                                             | 
                                                        
                    
| 4 | IV | 22563 | 
                                                                 
                                    
                                    18.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 340 |