| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 26 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             | 
                                                        
                    
| 2 | 30 | 
                                                                 
                                    
                                    5%
                                 
                                                             | 
                                                        
                    |
| 3 | 39 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    |
| 4 | 66 | 
                                                                 
                                    
                                    11%
                                 
                                                             | 
                                                        
                    |
| 5 | 135 | 
                                                                 
                                    
                                    22.6%
                                 
                                                             | 
                                                        
                    |
| 6 | 89 | 
                                                                 
                                    
                                    14.9%
                                 
                                                             | 
                                                        
                    |
| 7 | 81 | 
                                                                 
                                    
                                    13.5%
                                 
                                                             | 
                                                        
                    |
| 8 | 65 | 
                                                                 
                                    
                                    10.9%
                                 
                                                             | 
                                                        
                    |
| 9 | 36 | 
                                                                 
                                    
                                    6%
                                 
                                                             | 
                                                        
                    |
| 10 | Extremely familiar | 31 | 
                                                                 
                                    
                                    5.2%
                                 
                                                             | 
                                                        
                    
| -99 | 17 | ||
| Sysmiss | 42 |