| Value | Category | Cases | |
|---|---|---|---|
| 1 | flat | 4951 |
44.1%
|
| 2 | slight slope | 4075 |
36.3%
|
| 3 | moderate slope | 1503 |
13.4%
|
| 4 | steep/hilly | 691 |
6.2%
|
| 5 | other | 9 |
0.1%
|