| Value |
Category |
| 1 |
Cement |
| 2 |
Fabric or Plastic Sheeting |
| 3 |
Iron/Zinc |
| 4 |
Other |
| 5 |
Raw Concrete |
| 6 |
Wood |
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.