| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 3 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 2 | No | 1214 | 
                                                                 
                                    
                                    99.3%
                                 
                                                             | 
                                                        
                    
| 3 | Don't know | 6 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| 8 | Don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1517 |