| Value |
Category |
| 10 |
NATURAL |
| 11 |
Straw |
| 12 |
Mud |
| 13 |
Reinf basic material |
| 30 |
FINISHED |
| 31 |
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.