| Value | Category | Cases | |
|---|---|---|---|
| 1 | Grass | 319 |
24.2%
|
| 2 | Iron/sheets | 989 |
75.1%
|
| 3 | Clay tiles | 7 |
0.5%
|
| 4 | Concrete | 0 |
0%
|
| 5 | Plastic Sheeting | 0 |
0%
|
| 6 | Other (specify) | 2 |
0.2%
|
| Sysmiss | 1 |