| Value |
Category |
| 10 |
NATURAL |
| 11 |
Earth |
| 20 |
RUDIMENTARY |
| 21 |
Wood |
| 30 |
FINISHED |
| 33 |
Marble |
| 34 |
Cement |
| 96 |
OTHER |
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.
