| Value |
Category |
| 1 |
grass |
| 2 |
iron sheets |
| 3 |
clay tiles |
| 4 |
concrete |
| 5 |
plastic sheeting |
| 6 |
abestos sheet |
| 7 |
other (specify) |
| 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.