| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 3 | 
                                    
                                    0.8%
                                 | 
| 2 | 5 | 
                                    
                                    1.3%
                                 | |
| 3 | 6 | 
                                    
                                    1.6%
                                 | |
| 4 | 10 | 
                                    
                                    2.6%
                                 | |
| 5 | 29 | 
                                    
                                    7.5%
                                 | |
| 6 | 35 | 
                                    
                                    9%
                                 | |
| 7 | 59 | 
                                    
                                    15.2%
                                 | |
| 8 | 91 | 
                                    
                                    23.5%
                                 | |
| 9 | 61 | 
                                    
                                    15.8%
                                 | |
| 10 | Very familiar | 88 | 
                                    
                                    22.7%
                                 | 
| Sysmiss | 42 |