| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 23 | 
                                    
                                    6%
                                 | 
| 2 | 17 | 
                                    
                                    4.5%
                                 | |
| 3 | 21 | 
                                    
                                    5.5%
                                 | |
| 4 | 15 | 
                                    
                                    3.9%
                                 | |
| 5 | 59 | 
                                    
                                    15.4%
                                 | |
| 6 | 50 | 
                                    
                                    13.1%
                                 | |
| 7 | 48 | 
                                    
                                    12.6%
                                 | |
| 8 | 57 | 
                                    
                                    14.9%
                                 | |
| 9 | 39 | 
                                    
                                    10.2%
                                 | |
| 10 | Very familiar | 53 | 
                                    
                                    13.9%
                                 | 
| Sysmiss | 47 |