| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 2205 | 
                                                                 
                                    
                                    49%
                                 
                                                             | 
                                                        
                    
| 2 | no | 2291 | 
                                                                 
                                    
                                    51%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 4 |