| Value | Category | Cases | |
|---|---|---|---|
| 1 | flat | 115 |
43.1%
|
| 2 | gentle slope | 98 |
36.7%
|
| 3 | steep slope | 5 |
1.9%
|
| 4 | hilly | 20 |
7.5%
|
| 5 | other. specify: | 4 |
1.5%
|
| 6 | valley | 25 |
9.4%
|
| Sysmiss | 60 |