| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 74 | 
                                                                 
                                    
                                    34.9%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 136 | 
                                                                 
                                    
                                    64.2%
                                 
                                                             | 
                                                        
                    
| 8 | don't know | 2 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             |