| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 93 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| 1 | 39 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 2 | 135 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| 3 | 203 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    |
| 4 | 255 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    |
| 5 | 1042 | 
                                                                 
                                    
                                    7%
                                 
                                                             | 
                                                        
                    |
| 6 | 1032 | 
                                                                 
                                    
                                    6.9%
                                 
                                                             | 
                                                        
                    |
| 7 | 2463 | 
                                                                 
                                    
                                    16.5%
                                 
                                                             | 
                                                        
                    |
| 8 | 3150 | 
                                                                 
                                    
                                    21.1%
                                 
                                                             | 
                                                        
                    |
| 9 | 1036 | 
                                                                 
                                    
                                    6.9%
                                 
                                                             | 
                                                        
                    |
| 10 | always | 583 | 
                                                                 
                                    
                                    3.9%
                                 
                                                             | 
                                                        
                    
| -8 | other error | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -7 | filter error | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -3 | inapplicable | 4917 | 
                                                                 
                                    
                                    32.9%
                                 
                                                             | 
                                                        
                    
| -2 | no answer | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -1 | does not know | 12 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             |