| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1914 | 
                                                                 
                                    
                                    87.6%
                                 
                                                             | 
                                                        
                    |
| 1 | 271 | 
                                                                 
                                    
                                    12.4%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 2862 |