| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 431 | 
                                                                 
                                    
                                    14.2%
                                 
                                                             | 
                                                        
                    
| 2 | No | 2570 | 
                                                                 
                                    
                                    85%
                                 
                                                             | 
                                                        
                    
| 3 | Do not know | 22 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 9 | Unspecified | 2 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 63380 |