| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 38 | 
                                    
                                    28.4%
                                 | 
| 2 | 14 | 
                                    
                                    10.4%
                                 | |
| 3 | 14 | 
                                    
                                    10.4%
                                 | |
| 4 | 19 | 
                                    
                                    14.2%
                                 | |
| 5 | 22 | 
                                    
                                    16.4%
                                 | |
| 6 | 10 | 
                                    
                                    7.5%
                                 | |
| 7 | 4 | 
                                    
                                    3%
                                 | |
| 8 | 4 | 
                                    
                                    3%
                                 | |
| 9 | 4 | 
                                    
                                    3%
                                 | |
| 10 | Very familiar | 5 | 
                                    
                                    3.7%
                                 |