| Value | Category | Cases | |
|---|---|---|---|
| 1 | Irrigation, propre puits | 139 | 
                                    
                                    1.1%
                                 | 
| 2 | Irrigation canal | 86 | 
                                    
                                    0.7%
                                 | 
| 3 | Irrigation ruisseau | 58 | 
                                    
                                    0.5%
                                 | 
| 4 | Pluviale | 12126 | 
                                    
                                    97.5%
                                 | 
| 5 | Marais/"wetlands" | 15 | 
                                    
                                    0.1%
                                 | 
| 6 | Autre | 10 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 7 |