| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not familiar at all | 71 | 
                                    
                                    25.5%
                                 | 
| 2 | 42 | 
                                    
                                    15.1%
                                 | |
| 3 | 30 | 
                                    
                                    10.8%
                                 | |
| 4 | 20 | 
                                    
                                    7.2%
                                 | |
| 5 | 41 | 
                                    
                                    14.7%
                                 | |
| 6 | 17 | 
                                    
                                    6.1%
                                 | |
| 7 | 13 | 
                                    
                                    4.7%
                                 | |
| 8 | 20 | 
                                    
                                    7.2%
                                 | |
| 9 | 9 | 
                                    
                                    3.2%
                                 | |
| 10 | Very familiar | 15 | 
                                    
                                    5.4%
                                 | 
| Sysmiss | 23 |