| Value | Category | Cases | |
|---|---|---|---|
| 1 | flat | 397 |
62.7%
|
| 2 | gentle slope | 209 |
33%
|
| 3 | steep slope | 8 |
1.3%
|
| 4 | hilly | 4 |
0.6%
|
| 5 | other. specify: | 8 |
1.3%
|
| 6 | valley | 7 |
1.1%
|
| Sysmiss | 280 |