| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (sponatneous) | 6 | 
                                                                 
                                    
                                    18.2%
                                 
                                                             | 
                                                        
                    
| 1 | FCA (free carrier) | 5 | 
                                                                 
                                    
                                    15.2%
                                 
                                                             | 
                                                        
                    
| 2 | FAS (free alongside ship) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 3 | FOB Origin (free on board) | 7 | 
                                                                 
                                    
                                    21.2%
                                 
                                                             | 
                                                        
                    
| 4 | Other | 15 | 
                                                                 
                                    
                                    45.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 342 |