| Value | Category | Cases | |
|---|---|---|---|
| 1 | flat | 347 |
51.8%
|
| 2 | gentle slope | 280 |
41.8%
|
| 3 | steep slope | 26 |
3.9%
|
| 4 | hilly | 6 |
0.9%
|
| 5 | other. specify: | 3 |
0.4%
|
| 6 | valley | 8 |
1.2%
|
| Sysmiss | 434 |