| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 261 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    
| 1 | 482 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| 2 | 1898 | 
                                                                 
                                    
                                    12.7%
                                 
                                                             | 
                                                        
                    |
| 3 | 2158 | 
                                                                 
                                    
                                    14.4%
                                 
                                                             | 
                                                        
                    |
| 4 | 1684 | 
                                                                 
                                    
                                    11.3%
                                 
                                                             | 
                                                        
                    |
| 5 | 1790 | 
                                                                 
                                    
                                    12%
                                 
                                                             | 
                                                        
                    |
| 6 | 813 | 
                                                                 
                                    
                                    5.4%
                                 
                                                             | 
                                                        
                    |
| 7 | 530 | 
                                                                 
                                    
                                    3.5%
                                 
                                                             | 
                                                        
                    |
| 8 | 326 | 
                                                                 
                                    
                                    2.2%
                                 
                                                             | 
                                                        
                    |
| 9 | 55 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 10 | always | 43 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| -8 | other error | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -7 | filter error | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -3 | inapplicable | 4909 | 
                                                                 
                                    
                                    32.8%
                                 
                                                             | 
                                                        
                    
| -2 | no answer | 3 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -1 | does not know | 9 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             |