| Value | Category | Cases | |
|---|---|---|---|
| -2 | 44 | 
                                                                 
                                    
                                    57.1%
                                 
                                                             | 
                                                        
                    |
| -1 | 6 | 
                                                                 
                                    
                                    7.8%
                                 
                                                             | 
                                                        
                    |
| 1 | 0-500 | 23 | 
                                                                 
                                    
                                    29.9%
                                 
                                                             | 
                                                        
                    
| 2 | 501-1000 | 4 | 
                                                                 
                                    
                                    5.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 972 |