| Value |
Category |
Cases |
|
| 1 |
Natural: EARTH |
4952 |
|
| 2 |
Natural: DUNG |
1121 |
|
| 3 |
Rudimentary mat; WOOD, TIMER |
2777 |
|
| 4 |
Fully processed: Concrete |
539 |
|
| 5 |
OTHER |
394 |
|
| Sysmiss |
|
13212 |
|
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.
