| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 125 | 
                                    
                                    42.4%
                                 | 
| 2 | 31 | 
                                    
                                    10.5%
                                 | |
| 3 | 21 | 
                                    
                                    7.1%
                                 | |
| 4 | 16 | 
                                    
                                    5.4%
                                 | |
| 5 | 17 | 
                                    
                                    5.8%
                                 | |
| 6 | 20 | 
                                    
                                    6.8%
                                 | |
| 7 | 17 | 
                                    
                                    5.8%
                                 | |
| 8 | 15 | 
                                    
                                    5.1%
                                 | |
| 9 | 15 | 
                                    
                                    5.1%
                                 | |
| 10 | Very familiar | 17 | 
                                    
                                    5.8%
                                 | 
| 11 | 1 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 31 |