| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1560 | 
                                                                 
                                    
                                    76.4%
                                 
                                                             | 
                                                        
                    
| 2 | 1-2 | 134 | 
                                                                 
                                    
                                    6.6%
                                 
                                                             | 
                                                        
                    
| 3 | 3-4 | 73 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    
| 4 | 5-6 | 42 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    
| 5 | 7 | 232 | 
                                                                 
                                    
                                    11.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 30 |