| Value | Category | Cases | |
|---|---|---|---|
| 1 | No treatment | 22 | 
                                    
                                    2.2%
                                 | 
| 2 | Boiling | 777 | 
                                    
                                    79%
                                 | 
| 3 | Purifier | 10 | 
                                    
                                    1%
                                 | 
| 4 | SODIS technology | 0 | 
                                    
                                    0%
                                 | 
| 5 | Filtering | 175 | 
                                    
                                    17.8%
                                 | 
| Sysmiss | 43321 |