| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 74 | 
                                                                 
                                    
                                    37%
                                 
                                                             | 
                                                        
                    
| 2 | 21 | 
                                                                 
                                    
                                    10.5%
                                 
                                                             | 
                                                        
                    |
| 3 | 17 | 
                                                                 
                                    
                                    8.5%
                                 
                                                             | 
                                                        
                    |
| 4 | 18 | 
                                                                 
                                    
                                    9%
                                 
                                                             | 
                                                        
                    |
| 5 | 22 | 
                                                                 
                                    
                                    11%
                                 
                                                             | 
                                                        
                    |
| 6 | 12 | 
                                                                 
                                    
                                    6%
                                 
                                                             | 
                                                        
                    |
| 7 | 15 | 
                                                                 
                                    
                                    7.5%
                                 
                                                             | 
                                                        
                    |
| 8 | 11 | 
                                                                 
                                    
                                    5.5%
                                 
                                                             | 
                                                        
                    |
| 9 | 5 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    |
| 10 | Very familiar | 5 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 20 |