| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 2 | 
                                    
                                    1.8%
                                 | 
| 2 | 3 | 
                                    
                                    2.7%
                                 | |
| 3 | 7 | 
                                    
                                    6.3%
                                 | |
| 4 | 7 | 
                                    
                                    6.3%
                                 | |
| 5 | 7 | 
                                    
                                    6.3%
                                 | |
| 6 | 19 | 
                                    
                                    17%
                                 | |
| 7 | 14 | 
                                    
                                    12.5%
                                 | |
| 8 | 21 | 
                                    
                                    18.8%
                                 | |
| 9 | 9 | 
                                    
                                    8%
                                 | |
| 10 | Very familiar | 23 | 
                                    
                                    20.5%
                                 |