| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 4 | 
                                    
                                    2.9%
                                 | 
| 2 | 9 | 
                                    
                                    6.6%
                                 | |
| 3 | 8 | 
                                    
                                    5.9%
                                 | |
| 4 | 7 | 
                                    
                                    5.1%
                                 | |
| 5 | 25 | 
                                    
                                    18.4%
                                 | |
| 6 | 15 | 
                                    
                                    11%
                                 | |
| 7 | 15 | 
                                    
                                    11%
                                 | |
| 8 | 26 | 
                                    
                                    19.1%
                                 | |
| 9 | 22 | 
                                    
                                    16.2%
                                 | |
| 10 | Extremely familiar | 5 | 
                                    
                                    3.7%
                                 | 
| Sysmiss | 7 |