| Value | Category | Cases | |
|---|---|---|---|
| 1 | BOIL | 7008 | 
                                                                 
                                    
                                    28.9%
                                 
                                                             | 
                                                        
                    
| 2 | BOTTLED WATER | 152 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| 3 | TREATED WATER | 152 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| 4 | STRAIN THROUGH A CLOTH | 554 | 
                                                                 
                                    
                                    2.3%
                                 
                                                             | 
                                                        
                    
| 5 | TREATED WITH CHEMICALS | 241 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    
| 6 | USE WATER FILTER | 176 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 7 | OTHER (SPECIFY) | 7 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 8 | NONE | 15991 | 
                                                                 
                                    
                                    65.9%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 4969 |