| Value | Category | Cases | |
|---|---|---|---|
| 0 | 556 | 
                                                                 
                                    
                                    89%
                                 
                                                             | 
                                                        
                    |
| 1 | 44 | 
                                                                 
                                    
                                    7%
                                 
                                                             | 
                                                        
                    |
| 2 | 15 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 3 | 4 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 4 | 2 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 5 | 2 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 6 | 2 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 128 |