| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 98 | 
                                    
                                    25.7%
                                 | 
| 2 | 37 | 
                                    
                                    9.7%
                                 | |
| 3 | 33 | 
                                    
                                    8.7%
                                 | |
| 4 | 28 | 
                                    
                                    7.3%
                                 | |
| 5 | 59 | 
                                    
                                    15.5%
                                 | |
| 6 | 36 | 
                                    
                                    9.4%
                                 | |
| 7 | 33 | 
                                    
                                    8.7%
                                 | |
| 8 | 31 | 
                                    
                                    8.1%
                                 | |
| 9 | 8 | 
                                    
                                    2.1%
                                 | |
| 10 | Very familiar | 18 | 
                                    
                                    4.7%
                                 | 
| Sysmiss | 48 |