| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 3 | 7 | 
                                                                 
                                    
                                    5.2%
                                 
                                                             | 
                                                        
                    |
| 4 | 6 | 
                                                                 
                                    
                                    4.4%
                                 
                                                             | 
                                                        
                    |
| 5 | 10 | 
                                                                 
                                    
                                    7.4%
                                 
                                                             | 
                                                        
                    |
| 6 | 11 | 
                                                                 
                                    
                                    8.1%
                                 
                                                             | 
                                                        
                    |
| 7 | 24 | 
                                                                 
                                    
                                    17.8%
                                 
                                                             | 
                                                        
                    |
| 8 | 22 | 
                                                                 
                                    
                                    16.3%
                                 
                                                             | 
                                                        
                    |
| 9 | 34 | 
                                                                 
                                    
                                    25.2%
                                 
                                                             | 
                                                        
                    |
| 10 | Extremely familiar | 20 | 
                                                                 
                                    
                                    14.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3 |