| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 578 | 
                                                                 
                                    
                                    88.7%
                                 
                                                             | 
                                                        
                    
| 2 | No | 74 | 
                                                                 
                                    
                                    11.3%
                                 
                                                             | 
                                                        
                    
| 9999 | Don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 5699 |