| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Earth, clay | 777 | 296297 | 
                                    
                                    14.2%
                                 | 
| 2 | Wooden planks, bamboo strips | 3507 | 1396238 | 
                                    
                                    66.7%
                                 | 
| 3 | Cement | 240 | 51140 | 
                                    
                                    2.4%
                                 | 
| 4 | Parquet, polished wood | 807 | 237236 | 
                                    
                                    11.3%
                                 | 
| 5 | Polished stone, marble | 28 | 4499 | 
                                    
                                    0.2%
                                 | 
| 6 | Vinyl | 5 | 656 | 
                                    
                                    0%
                                 | 
| 7 | Ceramic tiles | 574 | 83987 | 
                                    
                                    4%
                                 | 
| 8 | Other | 60 | 22277 | 
                                    
                                    1.1%
                                 | 
| 9 | 1 | 157 | 
                                    
                                    0%
                                 | |
| Sysmiss | 1 | 664 |