| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 95 | 
                                    
                                    31.6%
                                 | 
| 2 | 32 | 
                                    
                                    10.6%
                                 | |
| 3 | 32 | 
                                    
                                    10.6%
                                 | |
| 4 | 15 | 
                                    
                                    5%
                                 | |
| 5 | 31 | 
                                    
                                    10.3%
                                 | |
| 6 | 32 | 
                                    
                                    10.6%
                                 | |
| 7 | 19 | 
                                    
                                    6.3%
                                 | |
| 8 | 8 | 
                                    
                                    2.7%
                                 | |
| 9 | 13 | 
                                    
                                    4.3%
                                 | |
| 10 | Very familiar | 23 | 
                                    
                                    7.6%
                                 | 
| 11 | 1 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 25 |