| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 8 | 
                                    
                                    7.1%
                                 | 
| 2 | 3 | 
                                    
                                    2.7%
                                 | |
| 3 | 5 | 
                                    
                                    4.5%
                                 | |
| 4 | 10 | 
                                    
                                    8.9%
                                 | |
| 5 | 14 | 
                                    
                                    12.5%
                                 | |
| 6 | 17 | 
                                    
                                    15.2%
                                 | |
| 7 | 15 | 
                                    
                                    13.4%
                                 | |
| 8 | 19 | 
                                    
                                    17%
                                 | |
| 9 | 4 | 
                                    
                                    3.6%
                                 | |
| 10 | Very familiar | 17 | 
                                    
                                    15.2%
                                 |