| Value | Category | Cases | |
|---|---|---|---|
| 0 | very bad | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 2 | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 4 | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 5 | 20 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 6 | 19 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 7 | 84 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 8 | 241 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 9 | 355 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 10 | very good | 628 | 
                                                                 
                                    
                                    4.2%
                                 
                                                             | 
                                                        
                    
| -8 | other error | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -7 | filter error | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -3 | inapplicable | 13611 | 
                                                                 
                                    
                                    91%
                                 
                                                             | 
                                                        
                    
| -2 | no answer | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -1 | does not know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |