| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 7 | 
                                    
                                    5.2%
                                 | 
| 2 | 11 | 
                                    
                                    8.2%
                                 | |
| 3 | 13 | 
                                    
                                    9.7%
                                 | |
| 4 | 9 | 
                                    
                                    6.7%
                                 | |
| 5 | 26 | 
                                    
                                    19.4%
                                 | |
| 6 | 19 | 
                                    
                                    14.2%
                                 | |
| 7 | 16 | 
                                    
                                    11.9%
                                 | |
| 8 | 13 | 
                                    
                                    9.7%
                                 | |
| 9 | 10 | 
                                    
                                    7.5%
                                 | |
| 10 | Very familiar | 10 | 
                                    
                                    7.5%
                                 |