| Value | Category | Cases | |
|---|---|---|---|
| 1 | flat | 555 |
93.6%
|
| 2 | gentle slope | 27 |
4.6%
|
| 3 | hilly | 2 |
0.3%
|
| 4 | other. specify: | 7 |
1.2%
|
| 5 | valley | 2 |
0.3%
|
| Sysmiss | 171 |