| Value | Category | Cases | |
|---|---|---|---|
| 0 | 286 | 
                                                                 
                                    
                                    13%
                                 
                                                             | 
                                                        
                    |
| 1 | 1869 | 
                                                                 
                                    
                                    84.7%
                                 
                                                             | 
                                                        
                    |
| 2 | 42 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 4 | 9 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 16891 |