| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 7 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    
| -1 | refuse | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| 1 | Irrigation channel | 143 | 
                                                                 
                                    
                                    38.2%
                                 
                                                             | 
                                                        
                    
| 2 | Underground | 10 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    
| 3 | Well | 82 | 
                                                                 
                                    
                                    21.9%
                                 
                                                             | 
                                                        
                    
| 4 | River, spring, lake | 54 | 
                                                                 
                                    
                                    14.4%
                                 
                                                             | 
                                                        
                    
| 5 | Pumping station | 3 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    
| 6 | Central water supply | 28 | 
                                                                 
                                    
                                    7.5%
                                 
                                                             | 
                                                        
                    
| 7 | Reservoir | 5 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    
| 8 | Lagoon | 4 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    
| 10 | Don't need | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 12 | None of them | 32 | 
                                                                 
                                    
                                    8.6%
                                 
                                                             | 
                                                        
                    
| 13 | Bore | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 14 | Lead to the yard by tubes from spring | 3 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    
| 15 | Bring by cistern | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 675 |