Value |
Category |
1 |
Concrete |
2 |
Tile |
3 |
Tejalit, fibre cement |
4 |
Metal |
5 |
Treated wood |
6 |
Straw or leaves |
7 |
Other materials |
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.