| Value | Category | Cases | |
|---|---|---|---|
| 1 | Grass/straw/thatch, or other | 2598 | 
                                                                 
                                    
                                    30.6%
                                 
                                                             | 
                                                        
                    
| 2 | Iron sheets, or other non-asbestos tiles | 4447 | 
                                                                 
                                    
                                    52.4%
                                 
                                                             | 
                                                        
                    
| 3 | Concrete, asbestos sheets, or asbestos tiles | 1434 | 
                                                                 
                                    
                                    16.9%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 92 |