| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 18 | 
                                    
                                    2.9%
                                 | 
| 2 | 17 | 
                                    
                                    2.8%
                                 | |
| 3 | 16 | 
                                    
                                    2.6%
                                 | |
| 4 | 27 | 
                                    
                                    4.4%
                                 | |
| 5 | 93 | 
                                    
                                    15.1%
                                 | |
| 6 | 91 | 
                                    
                                    14.8%
                                 | |
| 7 | 106 | 
                                    
                                    17.2%
                                 | |
| 8 | 116 | 
                                    
                                    18.8%
                                 | |
| 9 | 53 | 
                                    
                                    8.6%
                                 | |
| 10 | Very familiar | 79 | 
                                    
                                    12.8%
                                 | 
| Sysmiss | 8 |