| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 108 | 
                                                                 
                                    
                                    28.9%
                                 
                                                             | 
                                                        
                    
| 2 | 46 | 
                                                                 
                                    
                                    12.3%
                                 
                                                             | 
                                                        
                    |
| 3 | 46 | 
                                                                 
                                    
                                    12.3%
                                 
                                                             | 
                                                        
                    |
| 4 | 25 | 
                                                                 
                                    
                                    6.7%
                                 
                                                             | 
                                                        
                    |
| 5 | 58 | 
                                                                 
                                    
                                    15.5%
                                 
                                                             | 
                                                        
                    |
| 6 | 19 | 
                                                                 
                                    
                                    5.1%
                                 
                                                             | 
                                                        
                    |
| 7 | 20 | 
                                                                 
                                    
                                    5.3%
                                 
                                                             | 
                                                        
                    |
| 8 | 21 | 
                                                                 
                                    
                                    5.6%
                                 
                                                             | 
                                                        
                    |
| 9 | 14 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 10 | Very familiar | 17 | 
                                                                 
                                    
                                    4.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 33 |