| Value | Category | Cases | |
|---|---|---|---|
| 0 | 59 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             | 
                                                        
                    |
| 1 | Structure reform | 118 | 
                                                                 
                                    
                                    5.2%
                                 
                                                             | 
                                                        
                    
| 2 | Impact of price/supply-demand | 297 | 
                                                                 
                                    
                                    13%
                                 
                                                             | 
                                                        
                    
| 3 | Changes in ability to access to market | 40 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| 4 | Chnages in ability to access to capital | 43 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    
| 5 | Changes in ability to access to input services | 47 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    
| 6 | Improvement in irrigation | 537 | 
                                                                 
                                    
                                    23.5%
                                 
                                                             | 
                                                        
                    
| 7 | Weather | 162 | 
                                                                 
                                    
                                    7.1%
                                 
                                                             | 
                                                        
                    
| 8 | Natural disasters | 18 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    
| 9 | Pests | 28 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    
| 10 | New seed | 496 | 
                                                                 
                                    
                                    21.7%
                                 
                                                             | 
                                                        
                    
| 11 | Changes in cultivating techniques | 342 | 
                                                                 
                                    
                                    15%
                                 
                                                             | 
                                                        
                    
| 12 | Changes in agricultural policies | 89 | 
                                                                 
                                    
                                    3.9%
                                 
                                                             | 
                                                        
                    
| 13 | Orther (specify) | 8 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 649 |