| Value |
Category |
| 1 |
Earth/cl |
| 2 |
Wood/bam |
| 3 |
Cement |
| 4 |
Parquet |
| 5 |
Stone/ma |
| 6 |
Vinyl |
| 7 |
Ceramic |
| 8 |
Other |
| Sysmiss |
|
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.