| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Very well, fluently | 73 | 11344 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | Well, but not fluently | 78 | 17634 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | Not well | 31 | 6371 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 4 | Only a few words | 45 | 9709 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 5 | Not at all | 5403 | 1706086 | 
                                                                 
                                    
                                    97.4%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 380 | 138817 |