| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 7 | 
                                    
                                    1.2%
                                 | 
| 2 | 9 | 
                                    
                                    1.5%
                                 | |
| 3 | 12 | 
                                    
                                    2%
                                 | |
| 4 | 36 | 
                                    
                                    5.9%
                                 | |
| 5 | 96 | 
                                    
                                    15.8%
                                 | |
| 6 | 90 | 
                                    
                                    14.8%
                                 | |
| 7 | 85 | 
                                    
                                    14%
                                 | |
| 8 | 105 | 
                                    
                                    17.3%
                                 | |
| 9 | 72 | 
                                    
                                    11.8%
                                 | |
| 10 | Very familiar | 96 | 
                                    
                                    15.8%
                                 | 
| Sysmiss | 16 |