| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 43 | 
                                                                 
                                    
                                    20.5%
                                 
                                                             | 
                                                        
                    
| 2 | 18 | 
                                                                 
                                    
                                    8.6%
                                 
                                                             | 
                                                        
                    |
| 3 | 12 | 
                                                                 
                                    
                                    5.7%
                                 
                                                             | 
                                                        
                    |
| 4 | 11 | 
                                                                 
                                    
                                    5.2%
                                 
                                                             | 
                                                        
                    |
| 5 | 30 | 
                                                                 
                                    
                                    14.3%
                                 
                                                             | 
                                                        
                    |
| 6 | 22 | 
                                                                 
                                    
                                    10.5%
                                 
                                                             | 
                                                        
                    |
| 7 | 21 | 
                                                                 
                                    
                                    10%
                                 
                                                             | 
                                                        
                    |
| 8 | 24 | 
                                                                 
                                    
                                    11.4%
                                 
                                                             | 
                                                        
                    |
| 9 | 14 | 
                                                                 
                                    
                                    6.7%
                                 
                                                             | 
                                                        
                    |
| 10 | Very familiar | 15 | 
                                                                 
                                    
                                    7.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 10 |