| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 9677 | 
                                                                 
                                    
                                    52.6%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 8316 | 
                                                                 
                                    
                                    45.2%
                                 
                                                             | 
                                                        
                    
| 8 | dk, not sure, depends | 400 | 
                                                                 
                                    
                                    2.2%
                                 
                                                             | 
                                                        
                    
| 11 | .Z | 361 |