| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 199 | 
                                                                 
                                    
                                    19.9%
                                 
                                                             | 
                                                        
                    
| 2 | No | 800 | 
                                                                 
                                    
                                    80%
                                 
                                                             |