| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 13 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    
| 2 | No | 1491 | 
                                                                 
                                    
                                    96.9%
                                 
                                                             | 
                                                        
                    
| 8 | Don't know | 35 | 
                                                                 
                                    
                                    2.3%
                                 
                                                             |