| Value | Category | Cases | |
|---|---|---|---|
| 1 | Nitrate | 25 | 
                                    
                                    18.7%
                                 | 
| 2 | Phosphate | 25 | 
                                    
                                    18.7%
                                 | 
| 3 | Potash | 6 | 
                                    
                                    4.5%
                                 | 
| 4 | Mixed | 78 | 
                                    
                                    58.2%
                                 | 
| Sysmiss | 7395 |