| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 896 | 
                                                                 
                                    
                                    6%
                                 
                                                             | 
                                                        
                    
| 2 | well | 1147 | 
                                                                 
                                    
                                    7.7%
                                 
                                                             | 
                                                        
                    
| 3 | so, so (average) | 105 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 4 | not very well | 38 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 5 | not well at all | 7 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -8 | other error | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -7 | filter error | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -3 | inapplicable | 12767 | 
                                                                 
                                    
                                    85.3%
                                 
                                                             | 
                                                        
                    
| -2 | no answer | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -1 | does not know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |