| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 2513 | 
                                                                 
                                    
                                    73%
                                 
                                                             | 
                                                        
                    
| 2 | no | 929 | 
                                                                 
                                    
                                    27%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 16 |