| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 2 | 2 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 3 | 2 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 4 | 6 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 5 | 12 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    |
| 6 | 18 | 
                                                                 
                                    
                                    7.1%
                                 
                                                             | 
                                                        
                    |
| 7 | 57 | 
                                                                 
                                    
                                    22.6%
                                 
                                                             | 
                                                        
                    |
| 8 | 88 | 
                                                                 
                                    
                                    34.9%
                                 
                                                             | 
                                                        
                    |
| 9 | 39 | 
                                                                 
                                    
                                    15.5%
                                 
                                                             | 
                                                        
                    |
| 10 | Very high technical quality | 28 | 
                                                                 
                                    
                                    11.1%
                                 
                                                             | 
                                                        
                    
| 11 | Don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 123 |