| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 2046 | 
                                                                 
                                    
                                    13.7%
                                 
                                                             | 
                                                        
                    
| 2 | well | 6511 | 
                                                                 
                                    
                                    43.5%
                                 
                                                             | 
                                                        
                    
| 3 | so, so (average) | 1296 | 
                                                                 
                                    
                                    8.7%
                                 
                                                             | 
                                                        
                    
| 4 | not very well | 180 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    
| 5 | not well at all | 17 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| -8 | other error | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -7 | filter error | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -3 | inapplicable | 4911 | 
                                                                 
                                    
                                    32.8%
                                 
                                                             | 
                                                        
                    
| -2 | no answer | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -1 | does not know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |