| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 26 | 
                                    
                                    8.4%
                                 | 
| 2 | 24 | 
                                    
                                    7.8%
                                 | |
| 3 | 31 | 
                                    
                                    10.1%
                                 | |
| 4 | 23 | 
                                    
                                    7.5%
                                 | |
| 5 | 45 | 
                                    
                                    14.6%
                                 | |
| 6 | 24 | 
                                    
                                    7.8%
                                 | |
| 7 | 35 | 
                                    
                                    11.4%
                                 | |
| 8 | 38 | 
                                    
                                    12.3%
                                 | |
| 9 | 27 | 
                                    
                                    8.8%
                                 | |
| 10 | Extremely familiar | 35 | 
                                    
                                    11.4%
                                 | 
| Sysmiss | 11 |