| Value | Category | Cases | |
|---|---|---|---|
| 0 | 371 | 
                                                                 
                                    
                                    77.8%
                                 
                                                             | 
                                                        
                    |
| 1 | 98 | 
                                                                 
                                    
                                    20.5%
                                 
                                                             | 
                                                        
                    |
| 2 | 7 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 4 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 144 |