| Value | Category | Cases | |
|---|---|---|---|
| 1 | flat | 487 |
36.1%
|
| 2 | gentle slope | 735 |
54.4%
|
| 3 | steep slope | 42 |
3.1%
|
| 4 | hilly | 75 |
5.6%
|
| 5 | other. specify: | 5 |
0.4%
|
| 6 | valley | 6 |
0.4%
|
| Sysmiss | 349 |