| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 540 | 
                                                                 
                                    
                                    68.4%
                                 
                                                             | 
                                                        
                    
| 2 | No | 249 | 
                                                                 
                                    
                                    31.6%
                                 
                                                             | 
                                                        
                    
| 8 | Don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 921 |