| Value | Category | Cases | |
|---|---|---|---|
| 1 | flat | 251 |
57.4%
|
| 2 | gentle slope | 137 |
31.4%
|
| 3 | steep slope | 22 |
5%
|
| 4 | hilly | 5 |
1.1%
|
| 5 | valley | 22 |
5%
|
| Sysmiss | 119 |