| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Well below cesspit | 100 | 102 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | Well above cesspit | 500 | 460 | 
                                                                 
                                    
                                    16.9%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | On the same level | 52 | 52 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 2062 | 2100 |