| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 58 | 
                                                                 
                                    
                                    28.9%
                                 
                                                             | 
                                                        
                    
| 2 | 14 | 
                                                                 
                                    
                                    7%
                                 
                                                             | 
                                                        
                    |
| 3 | 16 | 
                                                                 
                                    
                                    8%
                                 
                                                             | 
                                                        
                    |
| 4 | 7 | 
                                                                 
                                    
                                    3.5%
                                 
                                                             | 
                                                        
                    |
| 5 | 24 | 
                                                                 
                                    
                                    11.9%
                                 
                                                             | 
                                                        
                    |
| 6 | 13 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    |
| 7 | 20 | 
                                                                 
                                    
                                    10%
                                 
                                                             | 
                                                        
                    |
| 8 | 27 | 
                                                                 
                                    
                                    13.4%
                                 
                                                             | 
                                                        
                    |
| 9 | 10 | 
                                                                 
                                    
                                    5%
                                 
                                                             | 
                                                        
                    |
| 10 | Very familiar | 12 | 
                                                                 
                                    
                                    6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 19 |