| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 68 | 
                                    
                                    24.1%
                                 | 
| 2 | 38 | 
                                    
                                    13.5%
                                 | |
| 3 | 28 | 
                                    
                                    9.9%
                                 | |
| 4 | 28 | 
                                    
                                    9.9%
                                 | |
| 5 | 44 | 
                                    
                                    15.6%
                                 | |
| 6 | 21 | 
                                    
                                    7.4%
                                 | |
| 7 | 21 | 
                                    
                                    7.4%
                                 | |
| 8 | 15 | 
                                    
                                    5.3%
                                 | |
| 9 | 7 | 
                                    
                                    2.5%
                                 | |
| 10 | Very familiar | 12 | 
                                    
                                    4.3%
                                 | 
| Sysmiss | 19 |