| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -88 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -77 | NA | 2 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 1 | YES | 1001 | 
                                                                 
                                    
                                    32%
                                 
                                                             | 
                                                        
                    
| 2 | NO | 2125 | 
                                                                 
                                    
                                    67.9%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 892 |