| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 819 | 
                                                                 
                                    
                                    12.8%
                                 
                                                             | 
                                                        
                    
| 2 | no | 5426 | 
                                                                 
                                    
                                    84.8%
                                 
                                                             | 
                                                        
                    
| -8 | other error | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -7 | filter error | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -3 | inapplicable | 138 | 
                                                                 
                                    
                                    2.2%
                                 
                                                             | 
                                                        
                    
| -2 | no answer | 3 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -1 | does not know | 16 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             |