| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 1 | 
                                    
                                    0.9%
                                 | 
| 2 | 1 | 
                                    
                                    0.9%
                                 | |
| 3 | 3 | 
                                    
                                    2.7%
                                 | |
| 4 | 4 | 
                                    
                                    3.6%
                                 | |
| 5 | 7 | 
                                    
                                    6.3%
                                 | |
| 6 | 14 | 
                                    
                                    12.5%
                                 | |
| 7 | 18 | 
                                    
                                    16.1%
                                 | |
| 8 | 17 | 
                                    
                                    15.2%
                                 | |
| 9 | 19 | 
                                    
                                    17%
                                 | |
| 10 | Very familiar | 28 | 
                                    
                                    25%
                                 |