| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 2 | 4 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 3 | 12 | 
                                                                 
                                    
                                    4%
                                 
                                                             | 
                                                        
                    |
| 4 | 4 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 5 | 15 | 
                                                                 
                                    
                                    5%
                                 
                                                             | 
                                                        
                    |
| 6 | 17 | 
                                                                 
                                    
                                    5.6%
                                 
                                                             | 
                                                        
                    |
| 7 | 36 | 
                                                                 
                                    
                                    11.9%
                                 
                                                             | 
                                                        
                    |
| 8 | 52 | 
                                                                 
                                    
                                    17.2%
                                 
                                                             | 
                                                        
                    |
| 9 | 63 | 
                                                                 
                                    
                                    20.9%
                                 
                                                             | 
                                                        
                    |
| 10 | Very familiar | 98 | 
                                                                 
                                    
                                    32.5%
                                 
                                                             |