| Value | Category | Cases | |
|---|---|---|---|
| 1 | Flat | 3360 |
60.6%
|
| 2 | Slight slope | 1660 |
29.9%
|
| 3 | Moderate slope | 388 |
7%
|
| 4 | Steep, hilly | 136 |
2.5%
|