| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 78 | 
                                    
                                    25.7%
                                 | 
| 2 | 19 | 
                                    
                                    6.3%
                                 | |
| 3 | 33 | 
                                    
                                    10.9%
                                 | |
| 4 | 20 | 
                                    
                                    6.6%
                                 | |
| 5 | 29 | 
                                    
                                    9.6%
                                 | |
| 6 | 19 | 
                                    
                                    6.3%
                                 | |
| 7 | 24 | 
                                    
                                    7.9%
                                 | |
| 8 | 17 | 
                                    
                                    5.6%
                                 | |
| 9 | 17 | 
                                    
                                    5.6%
                                 | |
| 10 | Very familiar | 44 | 
                                    
                                    14.5%
                                 | 
| 11 | 3 | 
                                    
                                    1%
                                 | |
| Sysmiss | 23 |