| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 3228 | 
                                                                 
                                    
                                    29.6%
                                 
                                                             | 
                                                        
                    
| 2 | No | 5676 | 
                                                                 
                                    
                                    52.1%
                                 
                                                             | 
                                                        
                    
| 7 | NA | 1999 | 
                                                                 
                                    
                                    18.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 13 |