| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 87 | 
                                                                 
                                    
                                    23.3%
                                 
                                                             | 
                                                        
                    
| 2 | 49 | 
                                                                 
                                    
                                    13.1%
                                 
                                                             | 
                                                        
                    |
| 3 | 36 | 
                                                                 
                                    
                                    9.6%
                                 
                                                             | 
                                                        
                    |
| 4 | 29 | 
                                                                 
                                    
                                    7.8%
                                 
                                                             | 
                                                        
                    |
| 5 | 50 | 
                                                                 
                                    
                                    13.4%
                                 
                                                             | 
                                                        
                    |
| 6 | 33 | 
                                                                 
                                    
                                    8.8%
                                 
                                                             | 
                                                        
                    |
| 7 | 24 | 
                                                                 
                                    
                                    6.4%
                                 
                                                             | 
                                                        
                    |
| 8 | 28 | 
                                                                 
                                    
                                    7.5%
                                 
                                                             | 
                                                        
                    |
| 9 | 20 | 
                                                                 
                                    
                                    5.3%
                                 
                                                             | 
                                                        
                    |
| 10 | Very familiar | 18 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 33 |