| Value | Category | Cases | |
|---|---|---|---|
| 1 | From card (kg) | 756 | 
                                                                 
                                    
                                    56.1%
                                 
                                                             | 
                                                        
                    
| 2 | From recall (kg) | 446 | 
                                                                 
                                    
                                    33.1%
                                 
                                                             | 
                                                        
                    
| 3 | From card (pond) | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 4 | From recall (pond) | 6 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 9 | Dk / no response | 139 | 
                                                                 
                                    
                                    10.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 7185 |