| Value | Category | Cases | |
|---|---|---|---|
| 1 | flat | 862 |
50.4%
|
| 2 | gentle slope | 504 |
29.5%
|
| 3 | steep slope | 32 |
1.9%
|
| 4 | hilly | 283 |
16.5%
|
| 5 | other. specify: | 19 |
1.1%
|
| 6 | valley | 11 |
0.6%
|
| Sysmiss | 1486 |