| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 7 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    
| 2 | 13 | 
                                                                 
                                    
                                    4%
                                 
                                                             | 
                                                        
                    |
| 3 | 14 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             | 
                                                        
                    |
| 4 | 21 | 
                                                                 
                                    
                                    6.4%
                                 
                                                             | 
                                                        
                    |
| 5 | 40 | 
                                                                 
                                    
                                    12.2%
                                 
                                                             | 
                                                        
                    |
| 6 | 41 | 
                                                                 
                                    
                                    12.5%
                                 
                                                             | 
                                                        
                    |
| 7 | 50 | 
                                                                 
                                    
                                    15.2%
                                 
                                                             | 
                                                        
                    |
| 8 | 58 | 
                                                                 
                                    
                                    17.6%
                                 
                                                             | 
                                                        
                    |
| 9 | 39 | 
                                                                 
                                    
                                    11.9%
                                 
                                                             | 
                                                        
                    |
| 10 | Extremely familiar | 46 | 
                                                                 
                                    
                                    14%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 46 |