| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1978 | 
                                                                 
                                    
                                    10.9%
                                 
                                                             | 
                                                        
                    
| 2 | NO | 16193 | 
                                                                 
                                    
                                    89.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 59 |