| Value | Category | Cases | |
|---|---|---|---|
| 1 | Flat upland | 2670 |
43%
|
| 2 | Flat lowland | 1763 |
28.4%
|
| 3 | Both upland and lowland | 906 |
14.6%
|
| 4 | Slightly sloped | 762 |
12.3%
|
| 5 | Steep slope | 104 |
1.7%
|
| Sysmiss | 5 |