| Value | Category | Cases | |
|---|---|---|---|
| 1 | Flat | 347 |
46%
|
| 2 | Slightly sloping | 154 |
20.4%
|
| 3 | Moderately sloping | 71 |
9.4%
|
| 4 | Steeply sloping | 56 |
7.4%
|
| 5 | Both flat & hilly | 126 |
16.7%
|
| Sysmiss | 1 |