| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -888 | -888 | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -777 | Not Applicable | 9 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    
| 0 | No | 105 | 
                                                                 
                                    
                                    22.3%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 357 | 
                                                                 
                                    
                                    75.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 441 |