| Value | Category | Cases | |
|---|---|---|---|
| 1 | GRASS | 542 |
70.7%
|
| 2 | IRON SHEETS | 216 |
28.2%
|
| 3 | CLAY TILES | 3 |
0.4%
|
| 4 | CONCRETE | 0 |
0%
|
| 5 | PLASTIC SHEETING | 4 |
0.5%
|
| 6 | OTHER | 2 |
0.3%
|
| Sysmiss | 1 |