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.