| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 82 | 
                                    
                                    27.6%
                                 | 
| 2 | 28 | 
                                    
                                    9.4%
                                 | |
| 3 | 32 | 
                                    
                                    10.8%
                                 | |
| 4 | 18 | 
                                    
                                    6.1%
                                 | |
| 5 | 35 | 
                                    
                                    11.8%
                                 | |
| 6 | 13 | 
                                    
                                    4.4%
                                 | |
| 7 | 22 | 
                                    
                                    7.4%
                                 | |
| 8 | 13 | 
                                    
                                    4.4%
                                 | |
| 9 | 16 | 
                                    
                                    5.4%
                                 | |
| 10 | Very familiar | 37 | 
                                    
                                    12.5%
                                 | 
| 11 | 1 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 29 |