| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 53 | 
                                                                 
                                    
                                    26.4%
                                 
                                                             | 
                                                        
                    
| 2 | 13 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    |
| 3 | 20 | 
                                                                 
                                    
                                    10%
                                 
                                                             | 
                                                        
                    |
| 4 | 13 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    |
| 5 | 19 | 
                                                                 
                                    
                                    9.5%
                                 
                                                             | 
                                                        
                    |
| 6 | 19 | 
                                                                 
                                    
                                    9.5%
                                 
                                                             | 
                                                        
                    |
| 7 | 17 | 
                                                                 
                                    
                                    8.5%
                                 
                                                             | 
                                                        
                    |
| 8 | 14 | 
                                                                 
                                    
                                    7%
                                 
                                                             | 
                                                        
                    |
| 9 | 11 | 
                                                                 
                                    
                                    5.5%
                                 
                                                             | 
                                                        
                    |
| 10 | Very familiar | 22 | 
                                                                 
                                    
                                    10.9%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 36 |