| Value |
Category |
| 1 |
plain tile |
| 2 |
marble |
| 3 |
ceramics |
| 4 |
channel - vinyl |
| 5 |
parquet |
| 6 |
Cement - concrete |
| 7 |
dust - sand |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.