| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 25 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    
| 2 | 27 | 
                                                                 
                                    
                                    8.9%
                                 
                                                             | 
                                                        
                    |
| 3 | 28 | 
                                                                 
                                    
                                    9.3%
                                 
                                                             | 
                                                        
                    |
| 4 | 34 | 
                                                                 
                                    
                                    11.3%
                                 
                                                             | 
                                                        
                    |
| 5 | 37 | 
                                                                 
                                    
                                    12.3%
                                 
                                                             | 
                                                        
                    |
| 6 | 28 | 
                                                                 
                                    
                                    9.3%
                                 
                                                             | 
                                                        
                    |
| 7 | 27 | 
                                                                 
                                    
                                    8.9%
                                 
                                                             | 
                                                        
                    |
| 8 | 33 | 
                                                                 
                                    
                                    10.9%
                                 
                                                             | 
                                                        
                    |
| 9 | 23 | 
                                                                 
                                    
                                    7.6%
                                 
                                                             | 
                                                        
                    |
| 10 | Very familiar | 40 | 
                                                                 
                                    
                                    13.2%
                                 
                                                             |