| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 901 | 
                                                                 
                                    
                                    81.2%
                                 
                                                             | 
                                                        
                    
| 2 | no | 208 | 
                                                                 
                                    
                                    18.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 4075 |