| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 68 | 
                                    
                                    24%
                                 | 
| 2 | 24 | 
                                    
                                    8.5%
                                 | |
| 3 | 19 | 
                                    
                                    6.7%
                                 | |
| 4 | 22 | 
                                    
                                    7.8%
                                 | |
| 5 | 45 | 
                                    
                                    15.9%
                                 | |
| 6 | 45 | 
                                    
                                    15.9%
                                 | |
| 7 | 25 | 
                                    
                                    8.8%
                                 | |
| 8 | 11 | 
                                    
                                    3.9%
                                 | |
| 9 | 10 | 
                                    
                                    3.5%
                                 | |
| 10 | Very familiar | 14 | 
                                    
                                    4.9%
                                 | 
| Sysmiss | 18 |