| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 15 | 
                                                                 
                                    
                                    4.6%
                                 
                                                             | 
                                                        
                    
| 2 | 15 | 
                                                                 
                                    
                                    4.6%
                                 
                                                             | 
                                                        
                    |
| 3 | 17 | 
                                                                 
                                    
                                    5.2%
                                 
                                                             | 
                                                        
                    |
| 4 | 19 | 
                                                                 
                                    
                                    5.8%
                                 
                                                             | 
                                                        
                    |
| 5 | 43 | 
                                                                 
                                    
                                    13.1%
                                 
                                                             | 
                                                        
                    |
| 6 | 31 | 
                                                                 
                                    
                                    9.4%
                                 
                                                             | 
                                                        
                    |
| 7 | 52 | 
                                                                 
                                    
                                    15.8%
                                 
                                                             | 
                                                        
                    |
| 8 | 61 | 
                                                                 
                                    
                                    18.5%
                                 
                                                             | 
                                                        
                    |
| 9 | 36 | 
                                                                 
                                    
                                    10.9%
                                 
                                                             | 
                                                        
                    |
| 10 | Extremely familiar | 40 | 
                                                                 
                                    
                                    12.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 46 |