| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8000- | 1 | 
                                                                 
                                    
                                    20%
                                 
                                                             | 
                                                        
                    
| 1 | 10000- | 4 | 
                                                                 
                                    
                                    80%
                                 
                                                             | 
                                                        
                    
| 2 | 35001- | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 895 |