| Value | Category | Cases | |
|---|---|---|---|
| 1 | flat | 295 |
91%
|
| 2 | gentle slope | 22 |
6.8%
|
| 3 | steep slope | 2 |
0.6%
|
| 4 | hilly | 4 |
1.2%
|
| 5 | valley | 1 |
0.3%
|
| Sysmiss | 75 |