| Value | Category | Cases | |
|---|---|---|---|
| 1 | No treatment | 0 | 
                                    
                                    0%
                                 | 
| 2 | Boiling | 0 | 
                                    
                                    0%
                                 | 
| 3 | Purifier | 0 | 
                                    
                                    0%
                                 | 
| 4 | SODIS technology | 0 | 
                                    
                                    0%
                                 | 
| 5 | Filtering | 7 | 
                                    
                                    100%
                                 | 
| Sysmiss | 44298 |