| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 14 | 
                                                                 
                                    
                                    4.6%
                                 
                                                             | 
                                                        
                    
| 2 | 17 | 
                                                                 
                                    
                                    5.6%
                                 
                                                             | 
                                                        
                    |
| 3 | 26 | 
                                                                 
                                    
                                    8.6%
                                 
                                                             | 
                                                        
                    |
| 4 | 37 | 
                                                                 
                                    
                                    12.3%
                                 
                                                             | 
                                                        
                    |
| 5 | 48 | 
                                                                 
                                    
                                    15.9%
                                 
                                                             | 
                                                        
                    |
| 6 | 31 | 
                                                                 
                                    
                                    10.3%
                                 
                                                             | 
                                                        
                    |
| 7 | 39 | 
                                                                 
                                    
                                    12.9%
                                 
                                                             | 
                                                        
                    |
| 8 | 40 | 
                                                                 
                                    
                                    13.2%
                                 
                                                             | 
                                                        
                    |
| 9 | 24 | 
                                                                 
                                    
                                    7.9%
                                 
                                                             | 
                                                        
                    |
| 10 | Very familiar | 26 | 
                                                                 
                                    
                                    8.6%
                                 
                                                             |