| Value | Category | Cases | |
|---|---|---|---|
| 1 | Low familiarity | 109 | 
                                                                 
                                    
                                    33.1%
                                 
                                                             | 
                                                        
                    
| 2 | High familiarity | 220 | 
                                                                 
                                    
                                    66.9%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 46 |