| Value | Category | Cases | |
|---|---|---|---|
| 1 | flat | 805 |
88.1%
|
| 2 | gentle slope | 93 |
10.2%
|
| 3 | steep slope | 4 |
0.4%
|
| 4 | hilly | 6 |
0.7%
|
| 5 | valley | 6 |
0.7%
|
| Sysmiss | 370 |