| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 43 | 
                                                                 
                                    
                                    22.2%
                                 
                                                             | 
                                                        
                    
| 2 | 16 | 
                                                                 
                                    
                                    8.2%
                                 
                                                             | 
                                                        
                    |
| 3 | 10 | 
                                                                 
                                    
                                    5.2%
                                 
                                                             | 
                                                        
                    |
| 4 | 16 | 
                                                                 
                                    
                                    8.2%
                                 
                                                             | 
                                                        
                    |
| 5 | 29 | 
                                                                 
                                    
                                    14.9%
                                 
                                                             | 
                                                        
                    |
| 6 | 10 | 
                                                                 
                                    
                                    5.2%
                                 
                                                             | 
                                                        
                    |
| 7 | 16 | 
                                                                 
                                    
                                    8.2%
                                 
                                                             | 
                                                        
                    |
| 8 | 22 | 
                                                                 
                                    
                                    11.3%
                                 
                                                             | 
                                                        
                    |
| 9 | 20 | 
                                                                 
                                    
                                    10.3%
                                 
                                                             | 
                                                        
                    |
| 10 | Very familiar | 12 | 
                                                                 
                                    
                                    6.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 43 |