| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 278 | 
                                                                 
                                    
                                    20.4%
                                 
                                                             | 
                                                        
                    
| 2 | No | 1062 | 
                                                                 
                                    
                                    78%
                                 
                                                             | 
                                                        
                    
| 3 | D/k | 9 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 4 | 12 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 891 |