| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 1 | Yes | 4434 | 
                                                                 
                                    
                                    28.7%
                                 
                                                             | 
                                                        
                    
| 2 | No | 10225 | 
                                                                 
                                    
                                    66.2%
                                 
                                                             | 
                                                        
                    
| 8 | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 9 | Missing | 776 | 
                                                                 
                                    
                                    5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 9087 |