| Value | Category | Cases | |
|---|---|---|---|
| 1 | Wood/tile | 629 | 
                                                                 
                                    
                                    3.8%
                                 
                                                             | 
                                                        
                    
| 2 | Planks/concrete | 7444 | 
                                                                 
                                    
                                    45.1%
                                 
                                                             | 
                                                        
                    
| 3 | Dirt/straw/without concrete | 7971 | 
                                                                 
                                    
                                    48.3%
                                 
                                                             | 
                                                        
                    
| 4 | Other specify | 476 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    
| 0 | 464 |