| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Very well, fluently | 80 | 17221 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | Well, but not fluently | 70 | 16383 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | Not well | 24 | 5249 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 4 | Only a few words | 54 | 13123 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 5 | Not at all | 5402 | 1699744 | 
                                                                 
                                    
                                    97%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 380 | 138242 |