| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 4 | 
                                    
                                    3%
                                 | 
| 2 | 6 | 
                                    
                                    4.5%
                                 | |
| 3 | 9 | 
                                    
                                    6.7%
                                 | |
| 4 | 8 | 
                                    
                                    6%
                                 | |
| 5 | 26 | 
                                    
                                    19.4%
                                 | |
| 6 | 18 | 
                                    
                                    13.4%
                                 | |
| 7 | 12 | 
                                    
                                    9%
                                 | |
| 8 | 17 | 
                                    
                                    12.7%
                                 | |
| 9 | 11 | 
                                    
                                    8.2%
                                 | |
| 10 | Very familiar | 23 | 
                                    
                                    17.2%
                                 |