| Value | Category | Cases | |
|---|---|---|---|
| 1 | Dutch | 1899 | 
                                                                 
                                    
                                    97.7%
                                 
                                                             | 
                                                        
                    
| 6 | Other | 36 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    
| 8 | Dk | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 9 | No response | 8 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2386 |