| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 24 | 
                                    
                                    17.9%
                                 | 
| 2 | 11 | 
                                    
                                    8.2%
                                 | |
| 3 | 14 | 
                                    
                                    10.4%
                                 | |
| 4 | 11 | 
                                    
                                    8.2%
                                 | |
| 5 | 23 | 
                                    
                                    17.2%
                                 | |
| 6 | 17 | 
                                    
                                    12.7%
                                 | |
| 7 | 12 | 
                                    
                                    9%
                                 | |
| 8 | 7 | 
                                    
                                    5.2%
                                 | |
| 9 | 5 | 
                                    
                                    3.7%
                                 | |
| 10 | Very familiar | 10 | 
                                    
                                    7.5%
                                 |