| 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.