| Value | Category | Cases | |
|---|---|---|---|
| 1 | Flat | 2781 |
67%
|
| 2 | Gently sloped | 1065 |
25.7%
|
| 3 | Steep | 264 |
6.4%
|
| 4 | Mixed | 38 |
0.9%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 312 |